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Notice2025-19691

National Railroad Passenger Corporation's Request To Amend Its Positive Train Control System

Primary source

Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.

Published
October 29, 2025

Issuing agencies

Transportation DepartmentFederal Railroad Administration

Abstract

This document provides the public with notice that, on October 3, 2025, National Railroad Passenger Corporation (Amtrak) submitted two requests for amendment (RFA) to its FRA-certified positive train control (PTC) system, the Interoperable Electronic Train Management System (I-ETMS), in order to perform stability and reliability upgrades to its I-ETMS back office subsystem. FRA is publishing this notice and inviting public comment on the railroad's RFAs to its PTC system.

Indexed from Federal Register on October 29, 2025.

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