01942nam 2200409Ia 450 991070143410332120120406131742.0(CKB)5470000002418738(OCoLC)784146391(EXLCZ)99547000000241873820120406d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierState-of-the-art technologies for intrusion and obstacle detection for railroad operations[electronic resource] highway-rail grade crossing safety researchWashington, DC :U.S. Dept. of Tranportation, Federal Railroad Administration, Office of Research and Development,[2007]1 online resource (vi, 37 pages) illustrations (some color)Title from title screen (viewed on Apr. 6, 2012)."February 2007.""Performing organization, U.S. Department of Transportation, Research and Innovative Technology Administration, John A. Volpe National Transportation Systems Center"--Rept. documentation p."DOT/FRA/ORD-07/06."Includes bibliographical references (pages 33-35).State-of-the-art technologies for intrusion and obstacle detection for railroad operations Highway-railroad grade crossingsUnited StatesSafety measuresHighway-railroad grade crossingsSafety measures.DaSilva Marco P1393237Baron William555842John A. Volpe National Transportation Systems Center (U.S.)United States.Federal Railroad Administration.Office of Research and Development.GPOGPOBOOK9910701434103321State-of-the-art technologies for intrusion and obstacle detection for railroad operations3449140UNINA