01409nam 2200325z- 450 991069419650332120060810170007.0(CKB)5860000000029129(BIP)013663335(EXLCZ)99586000000002912920220406c2006uuuu -u- -engNew technologies in railroad safety and security hearing before the Subcommittee on Railroads of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Ninth Congress, first session, April 28, 20051 online resource (vi, 265 p.) ill0-16-076572-2 New technologies in railroad safety and security RailroadsSafety appliancesTechnological innovationsUnited StatesRailroadsUnited StatesSafety measuresRailroad accidentsUnited StatesPreventionRailroadsRailroad accidentsTransportationRailroadsSafety appliancesTechnological innovationsRailroadsSafety measures.Railroad accidentsPrevention.United States, Congress House Committee on Transportation and Infrastructure Subcommittee on Railroads Staff,othBOOK9910694196503321New technologies in railroad safety and security3220069UNINA