Federal Motor Vehicle Safety Standards; Automatic Emergency Braking Systems for Light Vehicles
fmvss · National Highway Traffic Safety Administration · Published 2025-01-27 · Effective 2025-03-20 · 90 FR 8179
Document
Document number
2025-01832
Federal Register citation
90 FR 8179
CFR reference
49 CFR 571
Type
Rule
Action
Final rule; delay of effective date.
Category
fmvss
Sub-agency
National Highway Traffic Safety Administration
Publication date
2025-01-27
Effective date
2025-03-20
DOT docket
Docket No. NHTSA-2023-0021
Abstract
This document delays the effective date of the 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.