🚆Long Island Rail Road Seeks PTC System Amendment Approval
This document provides public notice that, on August 11, 2025, Long Island Rail Road (LIRR) submitted a request for amendment (RFA) to its FRA-certified positive train control (PTC) system. FRA is publishing this notice and inviting public comment on the railroad's RFA to its PTC system.
Learn More🚄CMTY's Request to Amend Positive Train Control Safety Plan
This document provides the public with notice that, on August 7, 2025, Capital Metropolitan Transportation Authority (CMTY) submitted a request for amendment (RFA) to its FRA-Approved Positive Train Control Safety Plan (PTCSP). As this RFA may involve a request for FRA's approval of proposed material modifications to an FRA-certified positive train control (PTC) system, FRA is publishing this notice and inviting public comment on the railroad's RFA to its PTCSP.
Learn More🚂Railroads Submit Joint Request to Amend Positive Train Control Plans
This document provides the public with notice that, on July 25, 2025, 21 host railroads submitted a joint request for amendment (RFA) to their FRA-approved Positive Train Control Safety Plans (PTCSP) to implement onboard software Version 6.5.5.0, which would require modifications to the Interoperable Train Control (ITC) Positive Train Control (PTC) Concept of Operations and to the human-machine interface (HMI). As this joint RFA may involve requests for FRA's approval of proposed material modifications to FRA-certified PTC systems, FRA is publishing this notice and inviting public comment on the railroads' joint RFA to their PTCSPs.
Learn More🚆South Florida Transport Authority's Positive Train Control Notice
This document provides the public with notice that, on July 8, 2025, the South Florida Regional Transportation Authority (SFRV) submitted a request for amendment (RFA) to its FRA-certified Positive Train Control Safety Plan (PTCSP) and positive train control (PTC) system, seeking FRA's approval to temporarily disable its PTC system between Milepost (MP) SX1015.82 and MP SX1022.29 for a planned signal cutover that will last approximately two days and six hours, between September 19, 2025, and September 22, 2025. As this RFA may involve 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 SFRV's RFA to its PTC system.
Learn More🚂FRA Notice on Positive Train Control System Amendments
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.
Learn More🚆FRA Repeals Redundant Reporting Requirement for Railroads
FRA is removing one requirement from its regulations governing positive train control (PTC) systems. This rule repeals a redundant regulatory requirement for railroads to file a Report of PTC System Performance (Form FRA F 6180.152) biannually, as the Passenger Rail Expansion and Rail Safety Act of 2021 requires railroads to submit that exact report to FRA quarterly.
Learn More🚆Notice on Union Pacific Railway's Positive Train Control Amendment
This document provides the public with notice that, on May 22, 2025, the Union Pacific Railway (UP) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Implementation Plan (PTCIP) seeking FRA's approval for a reduction in its positive train control (PTC) footprint due to a yard limit extension that does not require PTC implementation. As this RFA may involve 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 UP's RFA to its PTCIP.
Learn More🚄Amtrak Requests Amendment to Positive Train Control Safety Plan
This document provides the public with notice that, on May 2, 2025, the National Railroad Passenger Corporation (Amtrak) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Safety Plan (PTCSP). As this RFA may involve a request for FRA's approval of proposed material modifications to an FRA-certified positive train control (PTC) system, FRA is publishing this notice and inviting public comment on the railroad's RFA to its PTCSP.
Learn More🚆Metro-North Railroad Seeks Amendment for Positive Train Control System
This document provides the public with notice that, on May 2, 2025, Metro-North Railroad (MNR) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Safety Plan (PTCSP) to update its onboard computer (OBC) software to OBC 02.00.0000 Software Baseline for the MNR Siemens Charger Dual Mode Locomotive. FRA is publishing this notice and inviting public comment on MNR's RFA to its PTCSP.
Learn More🚆South Florida Transportation Authority Seeks PTC System Amendment
This document provides the public with notice that, on April 30, 2025, South Florida Regional Transportation Authority (SFRTA) submitted a request for amendment (RFA) to its FRA-certified positive train control (PTC) system to temporarily disable the system while upgrading end of life wayside signal operating equipment. FRA is publishing this notice and inviting public comment on the railroad's RFA to its PTC system.
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