This report characterizes the amplitude and wavelength content of the current track geometry environment of the United States railroad system and examines the combination of geometric parameters for different operational conditions. The analyzed track...

Between September 2019 and June 2022, the Federal Railroad Administration (FRA) sponsored a research team from Sharma & Associates to model and test the torsional strength of a passenger car coupling system to understand the performance of...

The Federal Railroad Administration (FRA) sponsored MxV Rail to conduct a collision test using both a moving and a stationary three-car consist. The moving consist included an EMD F40 passenger locomotive equipped with crash energy management (CEM)...