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Data / Federal rules / 2024-24559

Positive Train Control Systems

The Federal Railroad Administration published this proposed rule in the Federal Register on October 28, 2024. Comments closed on December 27, 2024.

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What the agency says

FRA is proposing to amend certain regulations governing positive train control (PTC) systems. Since December 31, 2020, by law, PTC systems have generally governed rail operations on PTC-mandated main lines, which encompass nearly 59,000 route miles today. Through FRA's oversight and continued engagement with the industry, FRA has found that its existing PTC regulations do not adequately address temporary situations during which PTC technology is not enabled, including after certain initialization failures or in cases where a PTC system needs to be temporarily disabled to facilitate repair, maintenance, infrastructure upgrades, or capital projects. FRA expects PTC systems to be reliable and robust, further reducing the occurrence of initialization failures and outages. This NPRM proposes to establish strict parameters and operating restrictions under which railroads may continue to operate safely in certain necessary scenarios when PTC technology is temporarily not governing rail operations. The purpose of this NPRM is to enable continued, safe operations and improve rail safety by facilitating prompt repairs, upgrades, and restoration of PTC system service.

Key facts

Document number
2024-24559
Type
Proposed rule
Action
Notice of proposed rulemaking (NPRM)
Agency
Transportation Department; Federal Railroad Administration
Published
October 28, 2024
Comments due
December 27, 2024
Dates
Written comments must be received by December 27, 2024. FRA believes a 60-day comment period is appropriate to allow the public to comment on this proposed rule. FRA will consider comments received after that date to the extent practicable.
Docket
Docket No. FRA-2023-0064
Regulation ID (RIN)
2130-AC95
Code of Federal Regulations
49 CFR 236
Topics
Penalties; Railroad safety; Reporting and recordkeeping requirements
Pages
26

The document on federalregister.gov PDF

Other documents from the Federal Railroad Administration

Everything from the Federal Railroad Administration · Rules on penalties · Rules on railroad safety · Rules on reporting and recordkeeping requirements · Published in October 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.