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  <xsd:element abstract="true" id="na_AverageQuarterlyExcessCapacityLevelIIMember" name="AverageQuarterlyExcessCapacityLevelIIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_AverageQuarterlyExcessCapacityLevelIMember" name="AverageQuarterlyExcessCapacityLevelIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_AverageRevolverUsage" name="AverageRevolverUsage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_BorrowingBasePercentOfBorrowingBaseCash" name="BorrowingBasePercentOfBorrowingBaseCash" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_BorrowingBasePercentOfDeferredRevenueLiability" name="BorrowingBasePercentOfDeferredRevenueLiability" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_BorrowingBasePercentOfNetEligibleReceivables" name="BorrowingBasePercentOfNetEligibleReceivables" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_CapitalizedFinancingCosts" name="CapitalizedFinancingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_CashFlowActivityRelatedToRestructuringTableTextBlock" name="CashFlowActivityRelatedToRestructuringTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="na_ClaimsAndInsuranceAccrualsNoncurrent" name="ClaimsAndInsuranceAccrualsNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="na_CorporateEliminationsMember" name="CorporateEliminationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtConversionConvertibleNumberOfEquityInstrumentsSubsequentMonth" name="DebtConversionConvertibleNumberOfEquityInstrumentsSubsequentMonth" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentBasisSpreadonVariableRateReductionWhenTotalLeverageRatioisLessThan2.50to1.00" name="DebtInstrumentBasisSpreadonVariableRateReductionWhenTotalLeverageRatioisLessThan2.50to1.00" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentConsolidatedFixedCoverageRatio" name="DebtInstrumentConsolidatedFixedCoverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentConvertibleConversionPriceFuturePeriod" name="DebtInstrumentConvertibleConversionPriceFuturePeriod" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentConvertibleConversionRatioFuturePeriod" name="DebtInstrumentConvertibleConversionRatioFuturePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentConvertibleNumberOfEquityInstrumentsOutstanding" name="DebtInstrumentConvertibleNumberOfEquityInstrumentsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentConvertibleNumberofSharesConvertedperThousand" name="DebtInstrumentConvertibleNumberofSharesConvertedperThousand" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantEventsofDefaultCrossDefault" name="DebtInstrumentCovenantEventsofDefaultCrossDefault" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantEventsofDefaultFinalUnpaidJudgmentAgainstTermGuarantors" name="DebtInstrumentCovenantEventsofDefaultFinalUnpaidJudgmentAgainstTermGuarantors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageOfCashProceedsFromDebtIssuance" name="DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageOfCashProceedsFromDebtIssuance" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageOfExcessCashFlow" name="DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageOfExcessCashFlow" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageofExcessCashFlowRatioRangeBetween3.00and3.50to1.00" name="DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageofExcessCashFlowRatioRangeBetween3.00and3.50to1.00" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageofExcessCashFlowWhenRatioisLessorEqual3.00to1.00" name="DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageofExcessCashFlowWhenRatioisLessorEqual3.00to1.00" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageofNetCashProceedsfromAllSales" name="DebtInstrumentCovenantMandatoryPrepaymentTermsPercentageofNetCashProceedsfromAllSales" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioCurrentQuarter" name="DebtInstrumentCovenantMaximumTotalLeverageRatioCurrentQuarter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterEight" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterEight" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterEleven" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterEleven" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterFive" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterFour" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterFourteen" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterFourteen" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterNine" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterNine" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterSeven" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterSeven" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterSix" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterSix" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterTen" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterTen" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterThirteen" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterThirteen" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterThree" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterTwelve" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterTwelve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterTwo" name="DebtInstrumentCovenantMaximumTotalLeverageRatioQuarterTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantMaximumTotalLeverageRatioThereafter" name="DebtInstrumentCovenantMaximumTotalLeverageRatioThereafter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantPercentOfCollateralLineCap" name="DebtInstrumentCovenantPercentOfCollateralLineCap" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantavailability" name="DebtInstrumentCovenantavailability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentCovenantliquidity" name="DebtInstrumentCovenantliquidity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_DebtInstrumentCovenantsAbstract" name="DebtInstrumentCovenantsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentFaceAmountDiscountPercent" name="DebtInstrumentFaceAmountDiscountPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentFaceAmountExcludingCurrentMaturities" name="DebtInstrumentFaceAmountExcludingCurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentGrossCurrentMaturities" name="DebtInstrumentGrossCurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentMinimumAvailabilityasPercentofLesserofAggregateAmountofCommitmentsorBorrowingBase" name="DebtInstrumentMinimumAvailabilityasPercentofLesserofAggregateAmountofCommitmentsorBorrowingBase" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentQuarterlyInstallmentsasPercentofPrincipalAmount" name="DebtInstrumentQuarterlyInstallmentsasPercentofPrincipalAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentTotalLeverageRatio" name="DebtInstrumentTotalLeverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="na_DebtInstrumentUnamortizedDiscountPremiumNetCurrentMaturities" name="DebtInstrumentUnamortizedDiscountPremiumNetCurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentUnamortizedDiscountPremiumNetNoncurrentMaturities" name="DebtInstrumentUnamortizedDiscountPremiumNetNoncurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="na_DebtInstrumentVariableRateBasisOptionTwoMinimumVariableRateBasis" name="DebtInstrumentVariableRateBasisOptionTwoMinimumVariableRateBasis" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="na_DefinedBenefitPlanEstimatedBenefitObligationForRemainingFiscalYear" name="DefinedBenefitPlanEstimatedBenefitObligationForRemainingFiscalYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="na_ExpenseRelatedtoFairValueofIncrementalSharesConverted" name="ExpenseRelatedtoFairValueofIncrementalSharesConverted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_ExtinguishmentofDebtAccelerationofNetPremiumsonOldDebt" name="ExtinguishmentofDebtAccelerationofNetPremiumsonOldDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_FederalFundsRateMember" name="FederalFundsRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_FinancialRestructuringTextBlock" name="FinancialRestructuringTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="na_FutureRepaymentsofSeriesANotes" name="FutureRepaymentsofSeriesANotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_HigherofLondonInterbankOfferRateor1.00Member" name="HigherofLondonInterbankOfferRateor1.00Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_InterestRateComponentAxis" name="InterestRateComponentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_InterestRateComponentDomain" name="InterestRateComponentDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_LeaseFinancingObligationsMember" name="LeaseFinancingObligationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_LetterofCreditFeesasPercentageofStatedAmount" name="LetterofCreditFeesasPercentageofStatedAmount" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_LiborRateMember" name="LiborRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_LineOfCreditFacilityTotalAbletoBeDrawn" name="LineOfCreditFacilityTotalAbletoBeDrawn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="na_LineOfCreditFacilityTotalCashandAbletoBeDrawn" name="LineOfCreditFacilityTotalCashandAbletoBeDrawn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="na_LineOfCreditFacilityTotalCashandAvailability" name="LineOfCreditFacilityTotalCashandAvailability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="na_LineofCreditFacilityUnusedCapacityCommitmentFeePercentageIfAverageRevolverUsageGreaterThan50Percent" name="LineofCreditFacilityUnusedCapacityCommitmentFeePercentageIfAverageRevolverUsageGreaterThan50Percent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="na_LineofcreditfacilityTotalAvailability" name="LineofcreditfacilityTotalAvailability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="na_LiquidityAbstract" name="LiquidityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="na_LiquidityNoteDisclosureTextBlock" name="LiquidityNoteDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="na_MakeWholeInterestExpense" name="MakeWholeInterestExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_MakeWholePremium" name="MakeWholePremium" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_NonCashSourcesofFunds" name="NonCashSourcesofFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="na_NonCashUsesofFunds" name="NonCashUsesofFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="na_NoncashactivityrelatedtorestructuringTableTextBlock" name="NoncashactivityrelatedtorestructuringTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="na_NumberofConsecutiveCalendarDays10PercentofCollateralCapisMaintainedAvailable" name="NumberofConsecutiveCalendarDays10PercentofCollateralCapisMaintainedAvailable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_OneMonthLIBORMember" name="OneMonthLIBORMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_OperatingLeaseCommitment" name="OperatingLeaseCommitment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="na_OperatingLeaseTerm" name="OperatingLeaseTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="na_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" name="OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="na_PaymentsForFeesExpensesAndOriginalIssueDiscount" name="PaymentsForFeesExpensesAndOriginalIssueDiscount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_PensionContributionDeferralObligationMember" name="PensionContributionDeferralObligationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_PeriodAfterMarch31.2014Member" name="PeriodAfterMarch31.2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_PeriodThroughMarch312014Member" name="PeriodThroughMarch312014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_Previousmaximumownershippercentage" name="Previousmaximumownershippercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="na_PurchasedTransportation" name="PurchasedTransportation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_ReclassificationsOutOfAccumulatedComprehensiveLossAbstract" name="ReclassificationsOutOfAccumulatedComprehensiveLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_ReclassificationsOutOfAccumulatedComprehensiveLossLineItems" name="ReclassificationsOutOfAccumulatedComprehensiveLossLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_ReclassificationsOutOfAccumulatedComprehensiveLossTable" name="ReclassificationsOutOfAccumulatedComprehensiveLossTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_RegionalTransportationMember" name="RegionalTransportationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_Repaymentsofdebtincludingaccruedinterest" name="Repaymentsofdebtincludingaccruedinterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="na_RestrictedAmountsHeldInEscrowCurrentFairValueDisclosure" name="RestrictedAmountsHeldInEscrowCurrentFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="na_RestructuredTermLoanMember" name="RestructuredTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_RevenueEquipmentMember" name="RevenueEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_RevolvingCreditFacilityAverageQuarterlyExcessCapacity" name="RevolvingCreditFacilityAverageQuarterlyExcessCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="na_RighttoincreaseNewTermLoan" name="RighttoincreaseNewTermLoan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_RisksAndUncertaintiesLineItems" name="RisksAndUncertaintiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_RisksAndUncertaintiesTable" name="RisksAndUncertaintiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="na_ScheduleOfDebtCovenantsTableTextBlock" name="ScheduleOfDebtCovenantsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="na_ScheduleofPriceGridBasedonAverageQuarterlyExcessAvailabilityUnderRevolverTableTextBlock" name="ScheduleofPriceGridBasedonAverageQuarterlyExcessAvailabilityUnderRevolverTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_SecuredSecondARCDAMember" name="SecuredSecondARCDAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_SeniorBNotesDomain" name="SeniorBNotesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_SeniorNotesDomain" name="SeniorNotesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_SeriesBNoteMember" name="SeriesBNoteMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_SeriesNoteMember" name="SeriesNoteMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_SourcesOfFunds" name="SourcesOfFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="na_UncommittedAccordion" name="UncommittedAccordion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_UnsecuredSecondARCDMember" name="UnsecuredSecondARCDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="na_UsesOfFunds" name="UsesOfFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="na_YrcFreightMember" name="YrcFreightMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
