<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.yrcw.com/role/BasisOfPresentation" xlink:href="yrcw-20190930.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/BasisOfPresentationDisaggregationOfRevenueDetails" xlink:href="yrcw-20190930.xsd#BasisOfPresentationDisaggregationOfRevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/BasisOfPresentationPolicies" xlink:href="yrcw-20190930.xsd#BasisOfPresentationPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/BasisOfPresentationTables" xlink:href="yrcw-20190930.xsd#BasisOfPresentationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/BusinessSegments" xlink:href="yrcw-20190930.xsd#BusinessSegments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/BusinessSegmentsDetails" xlink:href="yrcw-20190930.xsd#BusinessSegmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/BusinessSegmentsTables" xlink:href="yrcw-20190930.xsd#BusinessSegmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/CommitmentsContingenciesAndUncertainties" xlink:href="yrcw-20190930.xsd#CommitmentsContingenciesAndUncertainties" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/ConsolidatedBalanceSheets" xlink:href="yrcw-20190930.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="yrcw-20190930.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DebtAndFinancing" xlink:href="yrcw-20190930.xsd#DebtAndFinancing" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DebtAndFinancingCashAndCashEquivalentsDetails" xlink:href="yrcw-20190930.xsd#DebtAndFinancingCashAndCashEquivalentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DebtAndFinancingNewTermLoanDetails" xlink:href="yrcw-20190930.xsd#DebtAndFinancingNewTermLoanDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DebtAndFinancingScheduleOfDebtAndAdditionalInformationDetails" xlink:href="yrcw-20190930.xsd#DebtAndFinancingScheduleOfDebtAndAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DebtAndFinancingTables" xlink:href="yrcw-20190930.xsd#DebtAndFinancingTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DescriptionOfBusiness" xlink:href="yrcw-20190930.xsd#DescriptionOfBusiness" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DescriptionOfBusinessDetails" xlink:href="yrcw-20190930.xsd#DescriptionOfBusinessDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/DocumentAndEntityInformation" xlink:href="yrcw-20190930.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/EarningsLossPerShare" xlink:href="yrcw-20190930.xsd#EarningsLossPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/EarningsLossPerShareTables" xlink:href="yrcw-20190930.xsd#EarningsLossPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/EmployeeBenefits" xlink:href="yrcw-20190930.xsd#EmployeeBenefits" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/EmployeeBenefitsDetails" xlink:href="yrcw-20190930.xsd#EmployeeBenefitsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/EmployeeBenefitsTables" xlink:href="yrcw-20190930.xsd#EmployeeBenefitsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/IncomeTaxes" xlink:href="yrcw-20190930.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/IncomeTaxesDetails" xlink:href="yrcw-20190930.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/Leases" xlink:href="yrcw-20190930.xsd#Leases" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesAssetsAndLiabilitiesDetails" xlink:href="yrcw-20190930.xsd#LeasesAssetsAndLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesLeaseCostDetails" xlink:href="yrcw-20190930.xsd#LeasesLeaseCostDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesLeaseTermAndDiscountRateDetails" xlink:href="yrcw-20190930.xsd#LeasesLeaseTermAndDiscountRateDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesMaturityDetails" xlink:href="yrcw-20190930.xsd#LeasesMaturityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesMaturityPriorToAdoptionDetails" xlink:href="yrcw-20190930.xsd#LeasesMaturityPriorToAdoptionDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesSupplementalCashFlowDetails" xlink:href="yrcw-20190930.xsd#LeasesSupplementalCashFlowDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LeasesTables" xlink:href="yrcw-20190930.xsd#LeasesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/LossPerShareDetails" xlink:href="yrcw-20190930.xsd#LossPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/NewAccountingPronouncementsDetails" xlink:href="yrcw-20190930.xsd#NewAccountingPronouncementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/StatementOfConsolidatedShareholdersDeficitUnaudited" xlink:href="yrcw-20190930.xsd#StatementOfConsolidatedShareholdersDeficitUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/StatementsOfConsolidatedCashFlowsUnaudited" xlink:href="yrcw-20190930.xsd#StatementsOfConsolidatedCashFlowsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.yrcw.com/role/StatementsOfConsolidatedComprehensiveLossUnaudited" xlink:href="yrcw-20190930.xsd#StatementsOfConsolidatedComprehensiveLossUnaudited" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BasisOfPresentation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BasisOfPresentationDisaggregationOfRevenueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_D9A078EBA9575886BBF2707790010C08" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_998AB1C2205B5C0E878C7DED852B8477" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_D9A078EBA9575886BBF2707790010C08" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_998AB1C2205B5C0E878C7DED852B8477" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_2F37C44D1ABF5FE48FBFBDB3F9C3AD48" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_998AB1C2205B5C0E878C7DED852B8477" xlink:to="loc_srt_ConsolidationItemsAxis_2F37C44D1ABF5FE48FBFBDB3F9C3AD48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_68FEA18E76860C44DAE1609A9FAFFDD1_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_2F37C44D1ABF5FE48FBFBDB3F9C3AD48" xlink:to="loc_srt_ConsolidationItemsDomain_68FEA18E76860C44DAE1609A9FAFFDD1_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_76A254C425BB57468ACCC90090220B7F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_2F37C44D1ABF5FE48FBFBDB3F9C3AD48" xlink:to="loc_srt_ConsolidationItemsDomain_76A254C425BB57468ACCC90090220B7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_F0A9A00736A65F9EB7C803E64BFF514D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_76A254C425BB57468ACCC90090220B7F" xlink:to="loc_us-gaap_OperatingSegmentsMember_F0A9A00736A65F9EB7C803E64BFF514D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_40D5942B2EA65DD1B17514E1856E72F2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_998AB1C2205B5C0E878C7DED852B8477" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_40D5942B2EA65DD1B17514E1856E72F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_00461168A5A4425C4782609A9FB03E83_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_40D5942B2EA65DD1B17514E1856E72F2" xlink:to="loc_us-gaap_SegmentDomain_00461168A5A4425C4782609A9FB03E83_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6EE199679C255D29B586377EF763C4CE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_40D5942B2EA65DD1B17514E1856E72F2" xlink:to="loc_us-gaap_SegmentDomain_6EE199679C255D29B586377EF763C4CE" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_RegionalTransportationMember" xlink:label="loc_yrcw_RegionalTransportationMember_4EFB251FACEE5C38AC16D177A28DA295" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6EE199679C255D29B586377EF763C4CE" xlink:to="loc_yrcw_RegionalTransportationMember_4EFB251FACEE5C38AC16D177A28DA295" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_YrcFreightMember" xlink:label="loc_yrcw_YrcFreightMember_5BB1ACBFE0B35821A0493156DA68B94F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6EE199679C255D29B586377EF763C4CE" xlink:to="loc_yrcw_YrcFreightMember_5BB1ACBFE0B35821A0493156DA68B94F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_B93B4012F64C5FC9BB45EA123859BBA9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_998AB1C2205B5C0E878C7DED852B8477" xlink:to="loc_srt_ProductOrServiceAxis_B93B4012F64C5FC9BB45EA123859BBA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_F8547919FD33BB66D7CB609A9FB10E62_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_B93B4012F64C5FC9BB45EA123859BBA9" xlink:to="loc_srt_ProductsAndServicesDomain_F8547919FD33BB66D7CB609A9FB10E62_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_8A8E1AE8195D5AFDAE19731F3CC5ACEC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_B93B4012F64C5FC9BB45EA123859BBA9" xlink:to="loc_srt_ProductsAndServicesDomain_8A8E1AE8195D5AFDAE19731F3CC5ACEC" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_LTLRevenueMember" xlink:label="loc_yrcw_LTLRevenueMember_1C3678FA47BC5D1D9FA5B1C6DD556A7B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8A8E1AE8195D5AFDAE19731F3CC5ACEC" xlink:to="loc_yrcw_LTLRevenueMember_1C3678FA47BC5D1D9FA5B1C6DD556A7B" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_OtherRevenueMember" xlink:label="loc_yrcw_OtherRevenueMember_571CF3B32BC8525794A9E6A53A12D6A8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8A8E1AE8195D5AFDAE19731F3CC5ACEC" xlink:to="loc_yrcw_OtherRevenueMember_571CF3B32BC8525794A9E6A53A12D6A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_62F57178B5DB517291DCDD1EE9A3FB28" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_D9A078EBA9575886BBF2707790010C08" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_62F57178B5DB517291DCDD1EE9A3FB28" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BasisOfPresentationPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BasisOfPresentationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BusinessSegments" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BusinessSegmentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_7990979A874D5C558BEE6158DD81FF56" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3FD4C64C66F756B08A395DA63E5F30D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_7990979A874D5C558BEE6158DD81FF56" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3FD4C64C66F756B08A395DA63E5F30D9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_3BAD630F8054587ABD106A401936922C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3FD4C64C66F756B08A395DA63E5F30D9" xlink:to="loc_srt_ConsolidationItemsAxis_3BAD630F8054587ABD106A401936922C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_2BCD8831A1EF156D0220609A9EBA9109_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_3BAD630F8054587ABD106A401936922C" xlink:to="loc_srt_ConsolidationItemsDomain_2BCD8831A1EF156D0220609A9EBA9109_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_E6221D548064593F80591CD01AD5F94E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_3BAD630F8054587ABD106A401936922C" xlink:to="loc_srt_ConsolidationItemsDomain_E6221D548064593F80591CD01AD5F94E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_C9531B1AD1FF597AB4D824C588004EF8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_E6221D548064593F80591CD01AD5F94E" xlink:to="loc_us-gaap_OperatingSegmentsMember_C9531B1AD1FF597AB4D824C588004EF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationEliminationsMember" xlink:label="loc_srt_ConsolidationEliminationsMember_60641AF0D4A9556CBCB559C592CCC126" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_E6221D548064593F80591CD01AD5F94E" xlink:to="loc_srt_ConsolidationEliminationsMember_60641AF0D4A9556CBCB559C592CCC126" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_19A0E36006D85EA5BDE545CC3EAD87D0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_3FD4C64C66F756B08A395DA63E5F30D9" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_19A0E36006D85EA5BDE545CC3EAD87D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_DCEC0A34805B1A9A5BC4609A9EBBC2AB_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_19A0E36006D85EA5BDE545CC3EAD87D0" xlink:to="loc_us-gaap_SegmentDomain_DCEC0A34805B1A9A5BC4609A9EBBC2AB_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_0234240BEC9351BD88AA8F8DEC4290F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_19A0E36006D85EA5BDE545CC3EAD87D0" xlink:to="loc_us-gaap_SegmentDomain_0234240BEC9351BD88AA8F8DEC4290F4" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_YrcFreightMember" xlink:label="loc_yrcw_YrcFreightMember_FA3148DC80A85ED08F5214CF99B37E3B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0234240BEC9351BD88AA8F8DEC4290F4" xlink:to="loc_yrcw_YrcFreightMember_FA3148DC80A85ED08F5214CF99B37E3B" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_RegionalTransportationMember" xlink:label="loc_yrcw_RegionalTransportationMember_3B9EF46991F75FF68B780082BA37029B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_0234240BEC9351BD88AA8F8DEC4290F4" xlink:to="loc_yrcw_RegionalTransportationMember_3B9EF46991F75FF68B780082BA37029B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_D74A77C6B11D5EE39C3B199B93EA861C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_7990979A874D5C558BEE6158DD81FF56" xlink:to="loc_us-gaap_NumberOfReportableSegments_D74A77C6B11D5EE39C3B199B93EA861C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_7CEAFF00AD045300B6DCB9761646E815" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_7990979A874D5C558BEE6158DD81FF56" xlink:to="loc_us-gaap_Assets_7CEAFF00AD045300B6DCB9761646E815" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_D6EE8D4AF89757DA8CC8F2F5EDA3437F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_7990979A874D5C558BEE6158DD81FF56" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_D6EE8D4AF89757DA8CC8F2F5EDA3437F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_A2FDB61F259F56A5961BF7F3B8E0B1F6" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_7990979A874D5C558BEE6158DD81FF56" xlink:to="loc_us-gaap_OperatingIncomeLoss_A2FDB61F259F56A5961BF7F3B8E0B1F6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/BusinessSegmentsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/CommitmentsContingenciesAndUncertainties" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/ConsolidatedBalanceSheets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DebtAndFinancing" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DebtAndFinancingCashAndCashEquivalentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A0DF9E514F78599CA23D3DAB6E35B02F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_30D4A101A4915773941706E36D982272" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A0DF9E514F78599CA23D3DAB6E35B02F" xlink:to="loc_us-gaap_DebtInstrumentTable_30D4A101A4915773941706E36D982272" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_22462279EBE45993815F2B49A2C9B600" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_30D4A101A4915773941706E36D982272" xlink:to="loc_us-gaap_DebtInstrumentAxis_22462279EBE45993815F2B49A2C9B600" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5D8D5EA28821A4569B9B324C52F48695_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_22462279EBE45993815F2B49A2C9B600" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5D8D5EA28821A4569B9B324C52F48695_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_341B15BCDAAF58EE8797D5FCD159DB4F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_22462279EBE45993815F2B49A2C9B600" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_341B15BCDAAF58EE8797D5FCD159DB4F" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_A2014ABLFacilityCreditAgreementMember" xlink:label="loc_yrcw_A2014ABLFacilityCreditAgreementMember_236F6AC16BCB54B09CEFF003103A978D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_341B15BCDAAF58EE8797D5FCD159DB4F" xlink:to="loc_yrcw_A2014ABLFacilityCreditAgreementMember_236F6AC16BCB54B09CEFF003103A978D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8AB1173887E259CDB18F5A975BD6857F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A0DF9E514F78599CA23D3DAB6E35B02F" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_8AB1173887E259CDB18F5A975BD6857F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCash" xlink:label="loc_us-gaap_RestrictedCash_031EED831A8F504F9C281C807053FBA7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A0DF9E514F78599CA23D3DAB6E35B02F" xlink:to="loc_us-gaap_RestrictedCash_031EED831A8F504F9C281C807053FBA7" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_LineOfCreditFacilityTotalAbletoBeDrawn" xlink:label="loc_yrcw_LineOfCreditFacilityTotalAbletoBeDrawn_74F57DA68C7654078FF09A54A70C75CB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A0DF9E514F78599CA23D3DAB6E35B02F" xlink:to="loc_yrcw_LineOfCreditFacilityTotalAbletoBeDrawn_74F57DA68C7654078FF09A54A70C75CB" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_CashCashEquivalentsAndManagedAccessibility" xlink:label="loc_yrcw_CashCashEquivalentsAndManagedAccessibility_4FCD823C8A1F529BBD53B32CF0772A3B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_A0DF9E514F78599CA23D3DAB6E35B02F" xlink:to="loc_yrcw_CashCashEquivalentsAndManagedAccessibility_4FCD823C8A1F529BBD53B32CF0772A3B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DebtAndFinancingNewTermLoanDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_D675EE4114C0F1F6B13E1E1FF1255FB7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_us-gaap_DebtInstrumentTable_D675EE4114C0F1F6B13E1E1FF1255FB7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_F0A471CBB08DF588C26C1E1FF1255CA9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D675EE4114C0F1F6B13E1E1FF1255FB7" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_F0A471CBB08DF588C26C1E1FF1255CA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_414EB199CBF6009A34BA1E1FF125CE6E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_F0A471CBB08DF588C26C1E1FF1255CA9" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_414EB199CBF6009A34BA1E1FF125CE6E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_414EB199CBF6009A34BA1E1FF125CE6E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_F0A471CBB08DF588C26C1E1FF1255CA9" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_414EB199CBF6009A34BA1E1FF125CE6E" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_TermLoanMember" xlink:label="loc_yrcw_TermLoanMember_DB70B172D7A9A70312F51E1FF126D43C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_414EB199CBF6009A34BA1E1FF125CE6E" xlink:to="loc_yrcw_TermLoanMember_DB70B172D7A9A70312F51E1FF126D43C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_9CA26ABC202E85B97A281E1FF1266D35" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_414EB199CBF6009A34BA1E1FF125CE6E" xlink:to="loc_us-gaap_LineOfCreditMember_9CA26ABC202E85B97A281E1FF1266D35" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_BD8D78D1035C4569E17C1E1FF126B521" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D675EE4114C0F1F6B13E1E1FF1255FB7" xlink:to="loc_us-gaap_DebtInstrumentAxis_BD8D78D1035C4569E17C1E1FF126B521" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_FDE7CE8FE64EBD6E8D671E1FF127822F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_BD8D78D1035C4569E17C1E1FF126B521" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_FDE7CE8FE64EBD6E8D671E1FF127822F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_FDE7CE8FE64EBD6E8D671E1FF127822F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_BD8D78D1035C4569E17C1E1FF126B521" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_FDE7CE8FE64EBD6E8D671E1FF127822F" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_NewTermLoanAgreementMember" xlink:label="loc_yrcw_NewTermLoanAgreementMember_D42E3BC69727B1DF6F531E1FF1275D91" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_FDE7CE8FE64EBD6E8D671E1FF127822F" xlink:to="loc_yrcw_NewTermLoanAgreementMember_D42E3BC69727B1DF6F531E1FF1275D91" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_A2014ABLFacilityCreditAgreementMember" xlink:label="loc_yrcw_A2014ABLFacilityCreditAgreementMember_819CEE2CD2A89A93DD391E1FF127CA81" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_FDE7CE8FE64EBD6E8D671E1FF127822F" xlink:to="loc_yrcw_A2014ABLFacilityCreditAgreementMember_819CEE2CD2A89A93DD391E1FF127CA81" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_1C83D1F327FCA92831E31E1FF12780FB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D675EE4114C0F1F6B13E1E1FF1255FB7" xlink:to="loc_us-gaap_VariableRateAxis_1C83D1F327FCA92831E31E1FF12780FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_430F516B8D54F51C31781E1FF127F48C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_1C83D1F327FCA92831E31E1FF12780FB" xlink:to="loc_us-gaap_VariableRateDomain_430F516B8D54F51C31781E1FF127F48C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_430F516B8D54F51C31781E1FF127F48C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_1C83D1F327FCA92831E31E1FF12780FB" xlink:to="loc_us-gaap_VariableRateDomain_430F516B8D54F51C31781E1FF127F48C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2372A40D158F8885F3821E1FF1285B24" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D675EE4114C0F1F6B13E1E1FF1255FB7" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2372A40D158F8885F3821E1FF1285B24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2372A40D158F8885F3821E1FF1285B24" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2372A40D158F8885F3821E1FF1285B24" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_55EC4680C71422EA782C1E1FF129A7A6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_55EC4680C71422EA782C1E1FF129A7A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_DE3789AE8075F6C2A7931E1FF1292881" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_DE3789AE8075F6C2A7931E1FF1292881" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_95220F3967A5AD4D8C771E1FF129268C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_95220F3967A5AD4D8C771E1FF129268C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodFourMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodFourMember_9B9E1DD36C45F08512C31E1FF129C877" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C82DAD930BEF180B90661E1FF1281DEF" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodFourMember_9B9E1DD36C45F08512C31E1FF129C877" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_0C9D1CA534172F5B572D1E1FF130BFC2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_0C9D1CA534172F5B572D1E1FF130BFC2" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentFloorInterestRate" xlink:label="loc_yrcw_DebtInstrumentFloorInterestRate_9DEC2A0F3897348C1BE51E1FF13099FD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentFloorInterestRate_9DEC2A0F3897348C1BE51E1FF13099FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_BFD507C0EF98F51FDDBF1E1FF1303D0B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_BFD507C0EF98F51FDDBF1E1FF1303D0B" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentInterestRateStatedPercentageMarginStepDownIfCertainEBITDAIsAchieved" xlink:label="loc_yrcw_DebtInstrumentInterestRateStatedPercentageMarginStepDownIfCertainEBITDAIsAchieved_6B0420F05EC2C8B693CF1E1FF131ECC5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentInterestRateStatedPercentageMarginStepDownIfCertainEBITDAIsAchieved_6B0420F05EC2C8B693CF1E1FF131ECC5" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_AdjustedEBITDAThresholdForMarginStepDown" xlink:label="loc_yrcw_AdjustedEBITDAThresholdForMarginStepDown_7DE4A8DE3B92A32313F31E1FF131DC4D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_AdjustedEBITDAThresholdForMarginStepDown_7DE4A8DE3B92A32313F31E1FF131DC4D" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentCovenantComplianceMinimumAdjustedEBITDA" xlink:label="loc_yrcw_DebtInstrumentCovenantComplianceMinimumAdjustedEBITDA_15B8ECAFFFE50EA6781F1E1FF1311CD1" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentCovenantComplianceMinimumAdjustedEBITDA_15B8ECAFFFE50EA6781F1E1FF1311CD1" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentCovenantComplianceExpensesQualifyingAsAdjustmentCapPercent" xlink:label="loc_yrcw_DebtInstrumentCovenantComplianceExpensesQualifyingAsAdjustmentCapPercent_623C2A3CFC5951BA44591E1FF1313501" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentCovenantComplianceExpensesQualifyingAsAdjustmentCapPercent_623C2A3CFC5951BA44591E1FF1313501" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentCovenantComplianceAnnualLimitOnCapitalExpenditures" xlink:label="loc_yrcw_DebtInstrumentCovenantComplianceAnnualLimitOnCapitalExpenditures_CE523CC36DFA4ABAD8FC1E1FF13149CA" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentCovenantComplianceAnnualLimitOnCapitalExpenditures_CE523CC36DFA4ABAD8FC1E1FF13149CA" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentCovenantCompliancePercentOfCashProceedsFromDispositionOfAssetsToBeusedToRepayDebt" xlink:label="loc_yrcw_DebtInstrumentCovenantCompliancePercentOfCashProceedsFromDispositionOfAssetsToBeusedToRepayDebt_406B3826497A3AC6A7291E1FF132E8BD" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentCovenantCompliancePercentOfCashProceedsFromDispositionOfAssetsToBeusedToRepayDebt_406B3826497A3AC6A7291E1FF132E8BD" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentCovenantComplianceRepaymentOfDebtAmountOfPropertySalesToBeUsedInReinvestment" xlink:label="loc_yrcw_DebtInstrumentCovenantComplianceRepaymentOfDebtAmountOfPropertySalesToBeUsedInReinvestment_A93A8D3E09FE1B68B1D61E1FF13275B1" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentCovenantComplianceRepaymentOfDebtAmountOfPropertySalesToBeUsedInReinvestment_A93A8D3E09FE1B68B1D61E1FF13275B1" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentPrepaymentPremiumPercent" xlink:label="loc_yrcw_DebtInstrumentPrepaymentPremiumPercent_A8E493CB25CF296403951E1FF1329CF8" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_yrcw_DebtInstrumentPrepaymentPremiumPercent_A8E493CB25CF296403951E1FF1329CF8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ExtinguishmentOfDebtGainLossNetOfTax" xlink:label="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_B2F23622C8672195CDE81E1FF1321444" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94533394B815F99CC1E01E1FF12A9D80" xlink:to="loc_us-gaap_ExtinguishmentOfDebtGainLossNetOfTax_B2F23622C8672195CDE81E1FF1321444" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DebtAndFinancingScheduleOfDebtAndAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_3C4B1E90C5E4AD84DF73134FAE068B44" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:to="loc_us-gaap_VariableRateAxis_3C4B1E90C5E4AD84DF73134FAE068B44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_8C75906AD71FA300C246134FAE0723EB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_3C4B1E90C5E4AD84DF73134FAE068B44" xlink:to="loc_us-gaap_VariableRateDomain_8C75906AD71FA300C246134FAE0723EB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_8C75906AD71FA300C246134FAE0723EB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_3C4B1E90C5E4AD84DF73134FAE068B44" xlink:to="loc_us-gaap_VariableRateDomain_8C75906AD71FA300C246134FAE0723EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_A1F04005080EDDA00BDB134FAE074467" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_8C75906AD71FA300C246134FAE0723EB" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_A1F04005080EDDA00BDB134FAE074467" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_B9652CC6446AE41EAA9A134FAE0811A5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:to="loc_us-gaap_CreditFacilityAxis_B9652CC6446AE41EAA9A134FAE0811A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_65187A14670C30CA7165134FAE08ABB5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_B9652CC6446AE41EAA9A134FAE0811A5" xlink:to="loc_us-gaap_CreditFacilityDomain_65187A14670C30CA7165134FAE08ABB5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_65187A14670C30CA7165134FAE08ABB5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_B9652CC6446AE41EAA9A134FAE0811A5" xlink:to="loc_us-gaap_CreditFacilityDomain_65187A14670C30CA7165134FAE08ABB5" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_A2014ABLFacilityCreditAgreementMember" xlink:label="loc_yrcw_A2014ABLFacilityCreditAgreementMember_4245792EA7A9768C78D7134FAE08D801" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_65187A14670C30CA7165134FAE08ABB5" xlink:to="loc_yrcw_A2014ABLFacilityCreditAgreementMember_4245792EA7A9768C78D7134FAE08D801" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_CD292100D87FB606132D134FAE093E3B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_CD292100D87FB606132D134FAE093E3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_CD292100D87FB606132D134FAE093E3B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_CD292100D87FB606132D134FAE093E3B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_TermLoanMember" xlink:label="loc_yrcw_TermLoanMember_57EE33489E0E119C5A0A134FAE09C439" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:to="loc_yrcw_TermLoanMember_57EE33489E0E119C5A0A134FAE09C439" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_599D9915474F7C48FDE2134FAE0A6416" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:to="loc_us-gaap_LineOfCreditMember_599D9915474F7C48FDE2134FAE0A6416" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_SecuredSecondARCDAMember" xlink:label="loc_yrcw_SecuredSecondARCDAMember_9CAB1CF9A43648DD3171134FAE0ACDF1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:to="loc_yrcw_SecuredSecondARCDAMember_9CAB1CF9A43648DD3171134FAE0ACDF1" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_UnsecuredSecondARCDMember" xlink:label="loc_yrcw_UnsecuredSecondARCDMember_9CE5E6BCFA40E480D9C1134FAE0A8E0B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:to="loc_yrcw_UnsecuredSecondARCDMember_9CE5E6BCFA40E480D9C1134FAE0A8E0B" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_LeaseFinancingObligationsMember" xlink:label="loc_yrcw_LeaseFinancingObligationsMember_75DB3C11A059E91A90A5134FAE0AE044" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:to="loc_yrcw_LeaseFinancingObligationsMember_75DB3C11A059E91A90A5134FAE0AE044" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_6A78BD30936000CF9AA7134FAE0B5726" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_80FEBB2873F04D1551A5134FAE093869" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_6A78BD30936000CF9AA7134FAE0B5726" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_08C734E7C5DAE7E3B22D134FAE0BBBDA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:to="loc_us-gaap_DebtInstrumentAxis_08C734E7C5DAE7E3B22D134FAE0BBBDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3ECEEEEEDAA981862633134FAE0B6AAC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_08C734E7C5DAE7E3B22D134FAE0BBBDA" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3ECEEEEEDAA981862633134FAE0B6AAC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3ECEEEEEDAA981862633134FAE0B6AAC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_08C734E7C5DAE7E3B22D134FAE0BBBDA" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3ECEEEEEDAA981862633134FAE0B6AAC" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_NewTermLoanAgreementMember" xlink:label="loc_yrcw_NewTermLoanAgreementMember_C181F7D1F2F6E443AF46138CB52C50CA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3ECEEEEEDAA981862633134FAE0B6AAC" xlink:to="loc_yrcw_NewTermLoanAgreementMember_C181F7D1F2F6E443AF46138CB52C50CA" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_A2014ABLFacilityCreditAgreementMember" xlink:label="loc_yrcw_A2014ABLFacilityCreditAgreementMember_135C6DF87FADCDFD6870134FAE0B127F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3ECEEEEEDAA981862633134FAE0B6AAC" xlink:to="loc_yrcw_A2014ABLFacilityCreditAgreementMember_135C6DF87FADCDFD6870134FAE0B127F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_94DF7BAA5E4AF8F046A7134FAE0C1630" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B189F148854CA71135F4134FAE067302" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_94DF7BAA5E4AF8F046A7134FAE0C1630" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_52FBA424803280E3B3CE134FAE0C0265_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_94DF7BAA5E4AF8F046A7134FAE0C1630" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_52FBA424803280E3B3CE134FAE0C0265_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_3F82A6706C30A2DD31B5134FAE0C1017" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_94DF7BAA5E4AF8F046A7134FAE0C1630" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_3F82A6706C30A2DD31B5134FAE0C1017" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_52FBA424803280E3B3CE134FAE0C0265" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_3F82A6706C30A2DD31B5134FAE0C1017" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_52FBA424803280E3B3CE134FAE0C0265" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_96BD246ABE3DEF6AA416134FAE0ECBBF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_3F82A6706C30A2DD31B5134FAE0C1017" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_96BD246ABE3DEF6AA416134FAE0ECBBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5E79206B7978C7AE9D65134FAE0E24EB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_3F82A6706C30A2DD31B5134FAE0C1017" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_5E79206B7978C7AE9D65134FAE0E24EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_CCE045CB989987F21AA9134FAE0F2487" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_CCE045CB989987F21AA9134FAE0F2487" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_50078F881337225B176B134FAE0F8717" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_50078F881337225B176B134FAE0F8717" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_81AC0D606B4A7053D051134FAE0F21FF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_81AC0D606B4A7053D051134FAE0F21FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_274D95D9020C13EC7598134FAE0F9AF8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_LongTermDebt_274D95D9020C13EC7598134FAE0F9AF8" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentGrossCurrentMaturities" xlink:label="loc_yrcw_DebtInstrumentGrossCurrentMaturities_F70A250F9BFFA60CCD5D134FAE10CCD0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_DebtInstrumentGrossCurrentMaturities_F70A250F9BFFA60CCD5D134FAE10CCD0" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentUnamortizedDiscountPremiumNetCurrentMaturities" xlink:label="loc_yrcw_DebtInstrumentUnamortizedDiscountPremiumNetCurrentMaturities_46A89AFA47EF35AF90D7134FAE10F75D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_DebtInstrumentUnamortizedDiscountPremiumNetCurrentMaturities_46A89AFA47EF35AF90D7134FAE10F75D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsCurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsCurrentNet_37D08909BDA8B8EE7A7B134FAE1028A6" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DeferredFinanceCostsCurrentNet_37D08909BDA8B8EE7A7B134FAE1028A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_38A79C369D2232F4E29B134FAE102D9F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_LongTermDebtCurrent_38A79C369D2232F4E29B134FAE102D9F" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentFaceAmountExcludingCurrentMaturities" xlink:label="loc_yrcw_DebtInstrumentFaceAmountExcludingCurrentMaturities_77EEABB60417CF6081E2134FAE103D6F" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_DebtInstrumentFaceAmountExcludingCurrentMaturities_77EEABB60417CF6081E2134FAE103D6F" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentUnamortizedDiscountPremiumNetNoncurrentMaturities" xlink:label="loc_yrcw_DebtInstrumentUnamortizedDiscountPremiumNetNoncurrentMaturities_1BB1BC9D572B6808A032134FAE11BBBF" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_DebtInstrumentUnamortizedDiscountPremiumNetNoncurrentMaturities_1BB1BC9D572B6808A032134FAE11BBBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_70599603BF55F5CD294B134FAE1147F1" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_70599603BF55F5CD294B134FAE1147F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E8B00707FD353DDB0564134FAE11DEB0" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_E8B00707FD353DDB0564134FAE11DEB0" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_DebtInstrumentFloorInterestRate" xlink:label="loc_yrcw_DebtInstrumentFloorInterestRate_01AE881EDCACD00B5725134FAE11EB41" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_DebtInstrumentFloorInterestRate_01AE881EDCACD00B5725134FAE11EB41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_A1B25BAEE54F1D65CC8F134FAE117ABE" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_A1B25BAEE54F1D65CC8F134FAE117ABE" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_LineOfCreditFacilityTotalCashandAvailability" xlink:label="loc_yrcw_LineOfCreditFacilityTotalCashandAvailability_7C498EE5B2141570ACE9134FAE12F387" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_LineOfCreditFacilityTotalCashandAvailability_7C498EE5B2141570ACE9134FAE12F387" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_CashCashEquivalentsAndManagedAccessibility" xlink:label="loc_yrcw_CashCashEquivalentsAndManagedAccessibility_74B506D214C4237CC8C3134FAE124C17" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_CashCashEquivalentsAndManagedAccessibility_74B506D214C4237CC8C3134FAE124C17" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_LineOfCreditFacilityTotalAbletoBeDrawn" xlink:label="loc_yrcw_LineOfCreditFacilityTotalAbletoBeDrawn_2FA2711D2EABA685A977134FAE129087" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_yrcw_LineOfCreditFacilityTotalAbletoBeDrawn_2FA2711D2EABA685A977134FAE129087" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCash" xlink:label="loc_us-gaap_RestrictedCash_3F474A26737026EB3234134FAE127E95" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_RestrictedCash_3F474A26737026EB3234134FAE127E95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_28B791B5054933DCB115134FAE153B83" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50E5CFE4228232870EBF134FAE0E228A" xlink:to="loc_us-gaap_LongTermDebtFairValue_28B791B5054933DCB115134FAE153B83" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DebtAndFinancingTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DescriptionOfBusiness" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DescriptionOfBusinessDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_4AE91A0C676A51AC90C9E7211DCBED6B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_FFE25BC4339959F59E5AC1941A30C499" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_4AE91A0C676A51AC90C9E7211DCBED6B" xlink:to="loc_us-gaap_ConcentrationRiskTable_FFE25BC4339959F59E5AC1941A30C499" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_D18506B74801586BAF69A1A3E2D0F527" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_FFE25BC4339959F59E5AC1941A30C499" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_D18506B74801586BAF69A1A3E2D0F527" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_DCF3DCF27051CFEF4C2B324C52B03CA1_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_D18506B74801586BAF69A1A3E2D0F527" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_DCF3DCF27051CFEF4C2B324C52B03CA1_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_531A3C898A83582AA151BBD0BC46A4D1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_D18506B74801586BAF69A1A3E2D0F527" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_531A3C898A83582AA151BBD0BC46A4D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsMember" xlink:label="loc_us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsMember_D74E5AC87AB35064ADE02B48DA92C442" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_531A3C898A83582AA151BBD0BC46A4D1" xlink:to="loc_us-gaap_WorkforceSubjectToCollectiveBargainingArrangementsMember_D74E5AC87AB35064ADE02B48DA92C442" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_C79CFC1106425BE6B6BAC703648EFD83" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_FFE25BC4339959F59E5AC1941A30C499" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_C79CFC1106425BE6B6BAC703648EFD83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_21DE2D7C29B1259486A2324C52B1A5C9_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_C79CFC1106425BE6B6BAC703648EFD83" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_21DE2D7C29B1259486A2324C52B1A5C9_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_61E764177EB15B8598955A0078466740" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_C79CFC1106425BE6B6BAC703648EFD83" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_61E764177EB15B8598955A0078466740" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LaborForceConcentrationRiskMember" xlink:label="loc_us-gaap_LaborForceConcentrationRiskMember_5CF32843D53B5A76B99C4604B2A2E903" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_61E764177EB15B8598955A0078466740" xlink:to="loc_us-gaap_LaborForceConcentrationRiskMember_5CF32843D53B5A76B99C4604B2A2E903" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_59E53029224A5C088D140ADABF9E95B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_4AE91A0C676A51AC90C9E7211DCBED6B" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_59E53029224A5C088D140ADABF9E95B7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/EarningsLossPerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/EarningsLossPerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/EmployeeBenefits" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/EmployeeBenefitsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_7A5A7579727F93A13BFB134FAD8F4F80" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_7A5A7579727F93A13BFB134FAD8F4F80" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_38FBCDB16970EAC49902134FAD90D8D5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_7A5A7579727F93A13BFB134FAD8F4F80" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_38FBCDB16970EAC49902134FAD90D8D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_C5D2D2D17C922D4378BB134FAD90D5B4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_38FBCDB16970EAC49902134FAD90D8D5" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_C5D2D2D17C922D4378BB134FAD90D5B4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_C5D2D2D17C922D4378BB134FAD90D5B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_38FBCDB16970EAC49902134FAD90D8D5" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_C5D2D2D17C922D4378BB134FAD90D5B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_D4D4093511A61B591690134FAD900C1F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_C5D2D2D17C922D4378BB134FAD90D5B4" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_D4D4093511A61B591690134FAD900C1F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_FFCB43E8BEE89A67ACFF134FAD915DEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_FFCB43E8BEE89A67ACFF134FAD915DEF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_3B6FECEDC352A84180AF134FAD91B04D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_3B6FECEDC352A84180AF134FAD91B04D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_E01D85FFFE66BFFA3C2F134FAD92BBE9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_E01D85FFFE66BFFA3C2F134FAD92BBE9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_96E7782429A5AC6DFDB1134FAD92295F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_96E7782429A5AC6DFDB1134FAD92295F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_230DA79D31896B7066FA134FAD92896A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_230DA79D31896B7066FA134FAD92896A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_F5FB78D07DA36B5F85D41351023422C2" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_F5FB78D07DA36B5F85D41351023422C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_A0334F80AA885CFB71C6134FAD9250DB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_A0334F80AA885CFB71C6134FAD9250DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear_673AB7A11928158C553E134FAD924FDE" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear_673AB7A11928158C553E134FAD924FDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_F97EB1E4AE5B4B937B79134FAD936800" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_F5E88C4A4FC49A439E36134FAD91DB66" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_F97EB1E4AE5B4B937B79134FAD936800" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/EmployeeBenefitsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/IncomeTaxes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/Leases" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesAssetsAndLiabilitiesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesLeaseCostDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesLeaseTermAndDiscountRateDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesMaturityDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesMaturityPriorToAdoptionDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesSupplementalCashFlowDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LeasesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/LossPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_2C261D2ECF825DB58A8457286C2AD93F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_2C261D2ECF825DB58A8457286C2AD93F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_756AA398691C5EF788FACFF837F449BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_2C261D2ECF825DB58A8457286C2AD93F" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_756AA398691C5EF788FACFF837F449BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_7FB61DCF753B0D0DFAFA722879742ADF_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_756AA398691C5EF788FACFF837F449BE" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_7FB61DCF753B0D0DFAFA722879742ADF_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_2DC31CE28FAE5F868F67E28041E45AA6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_756AA398691C5EF788FACFF837F449BE" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_2DC31CE28FAE5F868F67E28041E45AA6" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_AntidillutiveOptionsAndSharesMember" xlink:label="loc_yrcw_AntidillutiveOptionsAndSharesMember_7311A69876BF5D2D99EBF09613C43EDF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_2DC31CE28FAE5F868F67E28041E45AA6" xlink:to="loc_yrcw_AntidillutiveOptionsAndSharesMember_7311A69876BF5D2D99EBF09613C43EDF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_2DE5AA27B5455804A316CA9CBDA046A4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_ProfitLoss_2DE5AA27B5455804A316CA9CBDA046A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E8ED4821E2F659CCBC06E0D94C38DD2C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_E8ED4821E2F659CCBC06E0D94C38DD2C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DilutiveSecuritiesAbstract" xlink:label="loc_us-gaap_DilutiveSecuritiesAbstract_F52DA7860DE55075A293376EE1A4F4A5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_DilutiveSecuritiesAbstract_F52DA7860DE55075A293376EE1A4F4A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_15C60366C67852879D8865C92EFA3331" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DilutiveSecuritiesAbstract_F52DA7860DE55075A293376EE1A4F4A5" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_15C60366C67852879D8865C92EFA3331" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_41FEDB30EFDB555888C8B70CC7848DAF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DilutiveSecuritiesAbstract_F52DA7860DE55075A293376EE1A4F4A5" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_41FEDB30EFDB555888C8B70CC7848DAF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_DD752945FF8A5204A1D51BE3860A1764" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_EarningsPerShareBasic_DD752945FF8A5204A1D51BE3860A1764" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_E31F46C254475CC385C54E3148D8EFF3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_EarningsPerShareDiluted_E31F46C254475CC385C54E3148D8EFF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_2A7D831E54E450A7AB2DF5A563DF38B9" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_67A233D4750D5943BAD4BB0A939B0035" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_2A7D831E54E450A7AB2DF5A563DF38B9" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/NewAccountingPronouncementsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_BBA2A92EC34F53699014DE1894A3BFF3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_723407E51A32516888C9E4D2C5A08E25" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_BBA2A92EC34F53699014DE1894A3BFF3" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_723407E51A32516888C9E4D2C5A08E25" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_6A11ED9AF97655ADB75FEA8395C50022" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_723407E51A32516888C9E4D2C5A08E25" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_6A11ED9AF97655ADB75FEA8395C50022" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_0C3A66FE379D359C44BC7498F51E3313_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_6A11ED9AF97655ADB75FEA8395C50022" xlink:to="loc_us-gaap_TypeOfAdoptionMember_0C3A66FE379D359C44BC7498F51E3313_253719E6A5F25485AEE20FC11B4B1A19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_A5B44DC436585D55A0B2CF7E28F5A520" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_6A11ED9AF97655ADB75FEA8395C50022" xlink:to="loc_us-gaap_TypeOfAdoptionMember_A5B44DC436585D55A0B2CF7E28F5A520" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201602Member_843A3205F38A5E72B73E2E0A41D3E45F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_A5B44DC436585D55A0B2CF7E28F5A520" xlink:to="loc_us-gaap_AccountingStandardsUpdate201602Member_843A3205F38A5E72B73E2E0A41D3E45F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_B17E5B37B1D8556D962A35204CC19A2B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_BBA2A92EC34F53699014DE1894A3BFF3" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_B17E5B37B1D8556D962A35204CC19A2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_AD44331DE88C563D9C74243B9CE8C772" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_BBA2A92EC34F53699014DE1894A3BFF3" xlink:to="loc_us-gaap_OperatingLeaseLiability_AD44331DE88C563D9C74243B9CE8C772" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_LeaseDeposits" xlink:label="loc_yrcw_LeaseDeposits_2B3CCE125C95561E85BCC01DA3733375" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_BBA2A92EC34F53699014DE1894A3BFF3" xlink:to="loc_yrcw_LeaseDeposits_2B3CCE125C95561E85BCC01DA3733375" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_FF3A7E1899005FE885FA537493484F17" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_BBA2A92EC34F53699014DE1894A3BFF3" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_FF3A7E1899005FE885FA537493484F17" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/StatementOfConsolidatedShareholdersDeficitUnaudited" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_B909EB306064A7214774134581E475B8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_9C88EF3AD40D30B4877E134581E0AA06" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_B909EB306064A7214774134581E475B8" xlink:to="loc_us-gaap_StatementTable_9C88EF3AD40D30B4877E134581E0AA06" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_3FCA2D4A282DB7F0A71F134581E1F502" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_9C88EF3AD40D30B4877E134581E0AA06" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_3FCA2D4A282DB7F0A71F134581E1F502" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3FCA2D4A282DB7F0A71F134581E1F502" xlink:to="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3FCA2D4A282DB7F0A71F134581E1F502" xlink:to="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember_F793167AC0FF7C78D93D134581E1C099" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:to="loc_us-gaap_PreferredStockMember_F793167AC0FF7C78D93D134581E1C099" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_2BC1B9690DA110A954E7134581E26333" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:to="loc_us-gaap_CommonStockMember_2BC1B9690DA110A954E7134581E26333" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_29A701EFA99B1C993B47134581E2EBD7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_29A701EFA99B1C993B47134581E2EBD7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_F10B3C739C953DFCBA58134581E2E8A2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:to="loc_us-gaap_RetainedEarningsMember_F10B3C739C953DFCBA58134581E2E8A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_63A141606DA2B00FB76D134581E3197C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_63A141606DA2B00FB76D134581E3197C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_E00809787F28966E6C3A134581E3EC12" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_E00809787F28966E6C3A134581E3EC12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_E4F0261BCE2E1705DA7F134581E3A3A0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_E4F0261BCE2E1705DA7F134581E3A3A0" xlink:type="arc" />
    <link:loc xlink:href="yrcw-20190930.xsd#yrcw_AccumulatedDefinedBenefitPlansAdjustmentNetSettlementAdjustmentToParentMember" xlink:label="loc_yrcw_AccumulatedDefinedBenefitPlansAdjustmentNetSettlementAdjustmentToParentMember_FD228B736BD3A518972F1346C7DEAD3C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:to="loc_yrcw_AccumulatedDefinedBenefitPlansAdjustmentNetSettlementAdjustmentToParentMember_FD228B736BD3A518972F1346C7DEAD3C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_CFA6FFD8ED5BF84E5FF1134756BC63B3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7AC30C0C728E0FA1B8B5134581E33142" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_CFA6FFD8ED5BF84E5FF1134756BC63B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_1CF95F608904E6F85484134581E43E07" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7D97C9E621BBF5CEEBA1134581E1C699" xlink:to="loc_us-gaap_TreasuryStockMember_1CF95F608904E6F85484134581E43E07" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_C581E4A8C428C82B70A9134581E4D487" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B909EB306064A7214774134581E475B8" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_C581E4A8C428C82B70A9134581E4D487" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5FD2009FE17C8DE217FB134581E5D25B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_C581E4A8C428C82B70A9134581E4D487" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5FD2009FE17C8DE217FB134581E5D25B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_38BB76887DB9F3FA14B5134581E5E27B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_C581E4A8C428C82B70A9134581E4D487" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_38BB76887DB9F3FA14B5134581E5E27B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_AAEA49F16564BC12D0AF134581E535B6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_C581E4A8C428C82B70A9134581E4D487" xlink:to="loc_us-gaap_ProfitLoss_AAEA49F16564BC12D0AF134581E535B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_B105052735CF0FF55C3B134581E54E09" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_C581E4A8C428C82B70A9134581E4D487" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_B105052735CF0FF55C3B134581E54E09" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.yrcw.com/role/StatementsOfConsolidatedCashFlowsUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.yrcw.com/role/StatementsOfConsolidatedComprehensiveLossUnaudited" xlink:type="extended" />
</link:linkbase>
