Regulatory Relief To Allow Speeds Up to 45 MPH for Non-Traversable Curbs
other · US Department of Transportation · Published 2026-04-28 · Effective 2026-05-28 · 91 FR 22738
Document
Document number
2026-08258
Federal Register citation
91 FR 22738
CFR reference
49 CFR 222
Type
Rule
Action
Final rule.
Category
other
Sub-agency
US Department of Transportation
Publication date
2026-04-28
Effective date
2026-05-28
DOT docket
Docket No. FRA-2025-0120
Abstract
This rule revises the definition of a non-traversable curb in FRA's train horn regulation in conformance with five longstanding FRA waivers that allow highway speeds up to 45 miles per hour (mph) where these highway curbs are present in quiet zones established and maintained in accordance with the regulation.