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...