WASHINGTON, July 16 -- Federal Railroad Administration has issued a notice called: Southern California Regional Rail Authority's Request to Amend Its Positive Train Control Safety Plan and Positive Train Control System.
The notice was published in the Federal Register on July 16 by Carolyn R. Hayward-Williams, Director, Office of Railroad Systems and Technology.
Summary: This document provides the public with notice that, on July 7, 2025, Southern California Regional Rail Authority (SCAX) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Safety Plan (PTCSP) and positive train control (PTC) system, seeking FRA's approval to, as a result of updates made to its onboard PTC software, modify its PTC braking alg...