01645nam 2200409 450 991070477510332120130725131011.0(CKB)5470000002443972(OCoLC)853717071(EXLCZ)99547000000244397220130725d2013 ua 0engurmn|||||||||rdacontentrdamediardacarrierRail safety preliminary observations on Federal rail safety oversight and positive train control implementation : testimony before the Committee on Commerce, Science, and Transportation, U.S. Senate /statement of Susan A. Fleming[Washington, D.C.] :United States Government Accountability Office,2013.1 online resource (18 pages) illustrationsTestimony ;GAO-13-679TTitle from title screen (viewed July 17, 2013)."For release ... June 19, 2013."Includes bibliographical references.Rail safety RailroadsAutomatic train controlUnited StatesRailroadsSafety appliancesGovernment policyUnited StatesRailroadsAutomatic train controlRailroadsSafety appliancesGovernment policyFleming Susan A.1391194United States.Congress.Senate.Committee on Commerce, Science, and Transportation,United States.Government Accountability Office,GPOGPOBOOK9910704775103321Rail safety3505572UNINA