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        <ProgramServicesAmt>61069</ProgramServicesAmt>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>30000</ProgramServicesAmt>
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      <BenefitsToMembersGrp>
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      <CompCurrentOfcrDirectorsGrp>
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      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>96622</TotalAmt>
        <ProgramServicesAmt>72466</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24156</ManagementAndGeneralAmt>
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      <PensionPlanContributionsGrp>
        <TotalAmt>0</TotalAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>0</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>6227</TotalAmt>
        <ProgramServicesAmt>4670</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1557</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>20504</TotalAmt>
        <ProgramServicesAmt>15378</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5126</ManagementAndGeneralAmt>
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      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
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      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>132762</TotalAmt>
        <ProgramServicesAmt>99571</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33191</ManagementAndGeneralAmt>
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      <AdvertisingGrp>
        <TotalAmt>52492</TotalAmt>
        <ProgramServicesAmt>52492</ProgramServicesAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>22672</TotalAmt>
        <ProgramServicesAmt>15025</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7647</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>0</TotalAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>36578</TotalAmt>
        <ProgramServicesAmt>27433</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9145</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>21776</TotalAmt>
        <ProgramServicesAmt>16332</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5444</ManagementAndGeneralAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>734160</TotalAmt>
        <ProgramServicesAmt>734160</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>0</TotalAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>0</TotalAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>0</TotalAmt>
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      <InsuranceGrp>
        <TotalAmt>9052</TotalAmt>
        <ProgramServicesAmt>6789</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2263</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Other Expenses</Desc>
        <TotalAmt>10658</TotalAmt>
        <ProgramServicesAmt>7997</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2661</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Telephone and Utilities</Desc>
        <TotalAmt>9662</TotalAmt>
        <ProgramServicesAmt>7246</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2416</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Communications</Desc>
        <TotalAmt>7934</TotalAmt>
        <ProgramServicesAmt>5950</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1984</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>1252168</TotalAmt>
        <ProgramServicesAmt>1156578</ProgramServicesAmt>
        <ManagementAndGeneralAmt>95590</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>544474</BOYAmt>
        <EOYAmt>228422</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>886499</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
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      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
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      <ReceivablesFromOfficersEtcGrp>
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      <RcvblFromDisqualifiedPrsnGrp>
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      <OthNotesLoansReceivableNetGrp>
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      <InventoriesForSaleOrUseGrp>
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        <EOYAmt>13569</EOYAmt>
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        <EOYAmt>133739</EOYAmt>
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      <DeferredRevenueGrp>
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        <EOYAmt>19793</EOYAmt>
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      <OtherLiabilitiesGrp>
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        <EOYAmt>30901</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>184433</EOYAmt>
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      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
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        <EOYAmt>5216048</EOYAmt>
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        <EOYAmt>5216048</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>5400481</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>186083</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>359527</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>false</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleC documentId="IRS990ScheduleC" softwareId="23017517" softwareVersionNum="2023v5.0">
      <Form1120POLFiledInd>false</Form1120POLFiledInd>
      <SubstantiallyAllDuesNondedInd>false</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>true</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>false</AgreeCarryoverPriorYearInd>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Lease Liability - Operating Lease</Desc>
        <Amt>30901</Amt>
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      <TotalLiabilityAmt>30901</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>1438251</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>1438251</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>1438251</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>1252168</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>1252168</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>1252168</TotalExpensesPerForm990Amt>
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      <GrantRecordsMaintainedInd>false</GrantRecordsMaintainedInd>
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          <BusinessNameLine1Txt>CABT</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>109 North Fairfax St</AddressLine1Txt>
          <CityNm>Alexandria</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22134</ZIPCd>
        </USAddress>
        <RecipientEIN>455338290</RecipientEIN>
        <CashGrantAmt>20000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>Cash</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>Annual Contribution</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GoRail</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>425 3rd St SW Suite 940</AddressLine1Txt>
          <CityNm>Washington DC</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20024</ZIPCd>
        </USAddress>
        <RecipientEIN>352226505</RecipientEIN>
        <CashGrantAmt>15000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>Cash</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>Financial Assistance</PurposeOfGrantTxt>
      </RecipientTable>
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        <GrantTypeTxt>College Scholarships</GrantTypeTxt>
        <RecipientCnt>12</RecipientCnt>
        <CashGrantAmt>30000</CashGrantAmt>
        <ValuationMethodUsedDesc>Cash</ValuationMethodUsedDesc>
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      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Theresa Corinne Wilder</PersonNm>
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        <RelationshipDescriptionTxt>Relative</RelationshipDescriptionTxt>
        <TransactionDesc>See below</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule L, Part V Supplemental Information</FormAndLineReferenceDesc>
        <ExplanationTxt>Theresa Corinne Wilder is the daughter of the executive director and is contracted to perform accounting, office and other administrative tasks.</ExplanationTxt>
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    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="23017517" softwareVersionNum="2023v5.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>RSSI maintains two classes of membership. Active members are eligible to exhibit at RSSI exhibitions. Associate members are not eligible to exhibit. All members may vote on the board of directors and serve on committees. Membership is open to business or individuals who engage in manufactoring/selling of service/products which are used in railway signals, controls, communications and management information systems. It is also open to engineers, consultants, or contractors engaged in design, construction, operation or rail maintenance and members of the rail or rail-transit industry trade media. Dues entitle active members to exhibit at the annual exhibition. All members are eligible to participate in the annual meeting, regulatory/legislative updates, buyers guide links and newsletters.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>An initial draft of form 990 is prepared by an independent CPA and presented to management for review. THe executive director and finance director may propose changes which will be incorporated into a full draft. Prior to filing the final draft is made available to the board and the finance comittee to review and approve.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>All board members are required to sign a conflict of interest policy statement upon joining the board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization maintains a compensation committee composed of a chairman and three other board members. This committee is responsible for the review of the executive director's compensation and making recommendations to the full board regarding compensation. The full board votes to approve or disapprove the recommendation.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 18</FormAndLineReferenceDesc>
        <ExplanationTxt>These documents are made available to the public upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>No documents available to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
