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024 8 $a39-878
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035   $a(EXLCZ)994100000011253542
100   $a20200318d2020      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aImplementation of positive train control $ehearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, second session, March 1, 2018
210  1$aWashington :$cU.S. Government Publishing Office,$d2020.
215   $a1 online resource (iii, 83 pages) $cillustrations
225 1 $aS. hrg. ;$v115-763
300   $aAccess ID (govinfo): CHRG-115shrg39878.
320   $aIncludes bibliographical references.
517   $aImplementation of Positive Train Control
606   $aRailroads$xAutomatic train control$zUnited States
606   $aRailroads$zUnited States$xSafety measures
606   $aRailroads$xSafety regulations$zUnited States
606   $aRailroad accidents$zUnited States$xPrevention
606   $aRailroad accidents$xPrevention$2fast
606   $aRailroads$xAutomatic train control$2fast
606   $aRailroads$xSafety measures$2fast
606   $aRailroads$xSafety regulations$2fast
607   $aUnited States$2fast
608   $aLegislative hearings.$2fast
608   $aLegislative hearings.$2lcgft
615  0$aRailroads$xAutomatic train control
615  0$aRailroads$xSafety measures.
615  0$aRailroads$xSafety regulations
615  0$aRailroad accidents$xPrevention.
615  7$aRailroad accidents$xPrevention.
615  7$aRailroads$xAutomatic train control.
615  7$aRailroads$xSafety measures.
615  7$aRailroads$xSafety regulations.
801  0$bGPO
801  1$bGPO
801  2$bGPO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910714794603321
996   $aImplementation of positive train control$93534910
997   $aUNINA