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Imprese · 16/07/20251 min di lettura
Southern California Regional Rail Authority's Request to Amend Its Positive Train Control Safety Plan and Positive Train Control System
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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 algorithm. As this RFA involves a request for FRA's approval of proposed material modifications to an FRA-certified PTC system, FRA is publishing this notice and inviting public comment on SCAX's RFA to its PTCSP.
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