01812nam 2200445 a 450 991069795110332120240105005132.0(CKB)5470000002393482(OCoLC)298260890(EXLCZ)99547000000239348220090113d1998 ua zengurcn||||m||||tdirdacontentcrdamediacrrdacarrierBoard meeting[electronic resource] safety at passive grade crossings[Washington, D.C.] :National Transportation Safety Board,[1998]1 electronic document HTML, digital, 2 MOV files[Accident animations]Title from HTML title screen (viewed Dec. 29, 2008).Series statement from HTML series index screen.Animations available as streaming and downloadable video files ((17.3 sec., MOV file, 1.4 Mb., sil., col.) and (17.3 sec., MOV file, 1.5 Mb., sil., col.)).Two computer simulations that illustrate how an approaching train travelling at 40 mph appears to a motorist who is stopped at a grade crossing (Animation #1) and a motorist who is approaching a grade crossing (Animation #2).Board meeting Highway-railroad grade crossingsRailroad trainsDynamicsAutomobilesDynamicsAnimated films.lcgftStreaming videos.lcgftHighway-railroad grade crossings.Railroad trainsDynamics.AutomobilesDynamics.United States.National Transportation Safety Board.GPOGPOBOOK9910697951103321Board meeting3449258UNINA