02057nam 2200481 450 991070434890332120130130124954.0(CKB)5470000002440196(OCoLC)826025162(EXLCZ)99547000000244019620130130d2012 ua 0engurmn|||||||||rdacontentrdamediardacarrierHighway safety selected cases of commercial drivers with potentially disqualifying impairments : report to the Chairman, Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security, Committee on Commerce, Science, and Transportation, U.S. Senate[Washington, D.C.] :United States Government Accountability Office,2012.1 online resource (i, 17 pages) illustrationsTitle from title screen (viewed Jan. 28, 2013)."November 2012.""GAO-13-13."Includes bibliographical references.Highway safety Truck accidentsUnited StatesTruck accidentsUnited StatesCase studiesTruck drivingUnited StatesPhysiological aspectsTruck drivingUnited StatesPhysiological aspectsCase studiesTruck driversSubstance useUnited StatesTruck driversSubstance useUnited StatesCase studiesTruck accidentsTruck accidentsTruck drivingPhysiological aspects.Truck drivingPhysiological aspectsTruck driversSubstance useTruck driversSubstance useUnited States.Congress.Senate.Committee on Commerce, Science, and Transportation.Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security,GPOGPOBOOK9910704348903321Highway safety3428035UNINA