Data / Federal rules / 2025-12186
Regulatory Relief To Allow Speeds Up to 45 MPH for Non-Traversable Curbs
The Federal Railroad Administration published this proposed rule in the Federal Register on July 1, 2025. Comments closed on September 2, 2025.
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What the agency says
This proposed rule would revise the definition of a non- traversable curb in FRA's train horn regulation in conformance with five longstanding FRA Safety Board waivers that allow highway speeds up to 45 miles per hour (mph) where these highway curbs are present.
Key facts
- Document number
- 2025-12186
- Type
- Proposed rule
- Action
- Notice of proposed rulemaking (NPRM)
- Agency
- Transportation Department; Federal Railroad Administration
- Published
- July 1, 2025
- Comments due
- September 2, 2025
- Dates
- Comments on the proposed rule must be received by September 2, 2025. FRA may consider comments received after that date, but only to the extent practicable.
- Docket
- Docket No. FRA-2025-0120
- Regulation ID (RIN)
- 2130-AD14
- Code of Federal Regulations
- 49 CFR 222
- Topics
- Administrative practice and procedure; Railroad safety
- Pages
- 3
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Everything from the Federal Railroad Administration · Rules on administrative practice and procedure · Rules on railroad safety · Published in July 2025
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.