Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

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.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on the CDC website.

United States Department of Transportation United States Department of Transportation

Type Approval (FRA-TA-2013-02) for the Communications-Based Train Control CBTC) Positive Train Control (PTC) System (Docket Number FRA-2010-0034)

Document Series
Policy and Guidance
Subject Positive Train Control, Signal and Train Control
PTCDP Type Approval

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact
Published Date: Friday, April 12, 2013