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

National Railroad Passenger Corporation's (Amtrak) Request for Positive Train Control Safety Plan (PTCSP) Approval and System Certification

Notice of availability and request for comments.

This document provides the public with notice that Amtrak submitted via FRA's Secure Information Repository a letter dated September 14, 2016, requesting FRA approval of its PTCSP Revision 4.0, dated August 2016, for Amtrak's Advanced Civil Speed Enforcement System II (ACSES II).

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