01565nam 2200397 a 450 991069907670332120090811145516.0(CKB)5470000002399116(OCoLC)430065053(EXLCZ)99547000000239911620090811d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMotor carrier safety[electronic resource] commercial vehicle registration program has kept unsafe carriers from operating, but effectiveness is difficult to measure : report to congressional committees[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]1 online resource (ii, 37 pages) illustrations, mapTitle from title screen (GAO, viewed July 27, 2009)."May 2009.""GAO-09-495."Includes bibliographical references.Motor carrier safety Commercial vehiclesSafety measuresGovernment policyUnited StatesTrucksSafety measuresGovernment policyUnited StatesBusesSafety measuresGovernment policyUnited StatesCommercial vehiclesSafety measuresGovernment policyTrucksSafety measuresGovernment policyBusesSafety measuresGovernment policyGPOGPOBOOK9910699076703321Motor carrier safety3449571UNINA