01507nam 2200397 a 450 991070135980332120120524104653.0(CKB)5470000002417469(OCoLC)794226645(EXLCZ)99547000000241746920120524d2009 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierInteroperable communications-based signaling project[electronic resource]Washington, D.C. :U.S. Dept. of Transportation, Federal Railroad Administration, Office of Research and Development,[2009]1 online resource (vii, 26 pages) illustrationsTitle from title screen (viewed on May 24, 2012)."June 2009."Includes bibliographical references (page 26).RailroadsUnited StatesSignalingEvaluationTransportationUnited StatesSafety measuresRailroadsSignalingEvaluation.TransportationSafety measures.Pettit WilliamMRCGP.1392090United States.Federal Railroad Administration.Office of Research and Development.Railroad Research Foundation.Petit Consulting (Firm)GPOGPOBOOK9910701359803321Interoperable communications-based signaling project3446411UNINA