WASHINGTON, Oct. 29 -- Federal Railroad Administration has issued a notice called: National Railroad Passenger Corporation's Request To Amend Its Positive Train Control System.
The notice was published in the Federal Register on Oct. 29 by Carolyn R. Hayward-Williams, Director, Office of Railroad Systems and Technology.
Summary: 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 inviti...