An official website of the United States government
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
FRA has developed Train Energy and Dynamics Simulator (TEDS) based upon a longitudinal train dynamics and operations simulation model which allows users to conduct safety and risk evaluations, incident investigations, studies of train operations, ride quality evaluations, and evaluations of current...
Positive Train Control is a wireless based system designed to provide comprehensive safety coverage for passenger and cargo trains operating on US railroads by 2015. Mandated by Rail Safety Improvement Act of 2008 (RISA 2008), major railroads have designed a broad architecture consisting of two...