Federal Railroad Administration2021PDFTech ReportStringfellow, RichardTIAX LLCUnited States. Federal Railroad Administration. Office of Research and DevelopmentJohn A. Volpe National Transportation Systems Center (U.S.)United States. Federal Railroad Administration. Office of Research and DevelopmentUnited StatesCrashworthinessDynamic testsFinite element methodImpactsRailroad carsCollisionsEnd structureRetrofitQuasi-static testingFinite element analysisCab car,DOT/FRA/ORD-21/23DTRS57-04-D-30008Michelle Muhlanger (Volpe)Final Report July 2007 \u2013 July 2009This report describes the results of a program to modify the existing state-of-the-art end structure design for a Budd Pioneer cab car so it can be installed on a Budd M1 car and used to...