Data / Federal rules / 2024-28998

Federal Motor Vehicle Safety Standards; Automatic Emergency Braking Systems for Light Vehicles; Correction

The National Highway Traffic Safety Administration published this final rule in the Federal Register on December 11, 2024. It took effect on January 27, 2025.

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What the agency says

This document corrects a November 26, 2024 final rule partially granting petitions for reconsideration of a May 9, 2024, final rule that adopted Federal Motor Vehicle Safety Standard (FMVSS) No. 127, "Automatic Emergency Braking for Light Vehicles," which requires automatic emergency braking (AEB), pedestrian automatic emergency braking (PAEB), and forward collision warning (FCW) systems on all new light vehicles. This document corrects a typographical error in the amendatory instructions.

Key facts

Document number: 2024-28998
Type: Final rule
Action: Final rule; response to petitions for reconsideration; correction
Agency: Transportation Department; National Highway Traffic Safety Administration
Published: December 11, 2024
Takes effect: January 27, 2025
Dates: Effective January 27, 2025.
Docket: Docket No. NHTSA-2023-0021
Regulation ID (RIN): 2127-AM37
Code of Federal Regulations: 49 CFR 571
Pages: 1

The document on federalregister.gov PDF

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Amendment to the Uniform Procedures for State Highway Safety Grant Programs 2026-19403	Final rule	Sep 23
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Everything from the National Highway Traffic Safety Administration · Published in December 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.