USA Banner

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.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Interoperable Communications-based Signaling Project

Document Series:
Technical Reports
Author:
  • Bill Petit
Report Number
DOT/FRA/ORD-09/12
Office
RRD
Keywords:
Train control, communications-based train control, CBTC, positive train control, PTC, railroad safety, ICBS
Document
ord0912.pdf (1.08 MB)

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 FRADevOps@dot.gov.
Last updated: Monday, June 1, 2009