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

Identity Management for Interoperable PTC Systems in Bandwidth-Limited Environments (Part 3)

Document Series
Technical Reports
Howard & George Mason University
Report Number
Subject Positive Train Control, Grants & Financial Assistance
PTC Railroad Safety Technology Grant
FinalReportPart3.pdf (933.38 KB)

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
Last updated: Thursday, January 8, 2015