01648nam 2200433 450 991070708420332120180510143136.0(CKB)5470000002460643(OCoLC)1035375167(EXLCZ)99547000000246064320180510d2018 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierRail transit: Federal Transit Administration can strengthen safety oversight by improving guidance to states report to congressional requesters[Washington, D.C.] :United States Government Accountability Office,2018.1 online resource (ii, 36 pages) color maps"March 2018.""GAO-18-310."Includes bibliographical references.Rail transitLocal transitState supervisionUnited StatesRailroads and stateUnited StatesLocal transitUnited StatesSafety measuresRailroadsUnited StatesSafety measuresTransportation agenciesUnited StatesRules and practiceLocal transitState supervisionRailroads and stateLocal transitSafety measures.RailroadsSafety measures.Transportation agenciesRules and practice.GPOGPOBOOK9910707084203321Rail transit: Federal Transit Administration can strengthen safety oversight by improving guidance to states3460493UNINA