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

Everyone

Subscribe to RSS

Restricted Speed Enforcement for Positive Train Control Systems

As defined by current regulations (Title 49 Code of Federal Regulations [CFR] 236 Subpart G), restricted speed is a speed that will permit stopping within one-half the range of vision, but does not exceed 20 mph. In the U.S., restricted speed operation is a common type of train operation on...