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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

Amtrak's Request To Amend Its Positive Train Control System

Notice of availability and request for comments.

This document provides the public with notice that, on August 15, 2024, the National Railroad Passenger Corporation (Amtrak) submitted a request for amendment (RFA) to its FRA-certified positive train control (PTC) system, the Advanced Civil Speed Enforcement System II (ACSES II). FRA is publishing this notice and inviting public comment on the railroad's RFA to its PTC system.

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