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DOT/NHTSA RIN: 2127-AM37 Publication ID: Fall 2022 
Title: Light Vehicle Automatic Emergency Braking (AEB) with Pedestrian AEB 
Abstract: Pursuant to a statutory mandate in the Bipartisan Infrastructure Law, this notice will seek comment on a proposal to require and/or standardize performance for Light Vehicle Automatic Emergency Braking (AEB), including Pedestrian AEB (PAEB), on all newly manufactured light vehicles. A vehicle with AEB detects crash imminent situations in which the vehicle is moving forward towards another vehicle and/or a pedestrian, and automatically applies the brakes to prevent the crash from occurring, or to mitigate the severity of the crash. This rulemaking would set performance requirements and would specify a test procedure under which compliance with those requirements would be measured. 
Agency: Department of Transportation(DOT)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Yes  Unfunded Mandates: No 
CFR Citation: 49 CFR 571   
Legal Authority: 49 USC 30111    49 USC 30115    49 USC 30117    49 USC 30166    49 USC 322    delegation of authority at 49 CFR 1.95   
Legal Deadline:
Action Source Description Date
Final  Statutory  Complete rulemaking  11/15/2023 

Statement of Need: This proposed rule would reduce rear end vehicle-to-vehicle crashes and could reduce motor vehicle impacts with pedestrians that often result in death and injury.

Summary of the Legal Basis: 49 U.S.C. 322, 30111, 30115, 30117, 30166; delegation of authority at 49 CFR 1.95

Alternatives: NHTSA will present regulatory alternatives in the NPRM.

Anticipated Costs and Benefits: NHTSA will present preliminary costs and benefits in the NPRM.

Risks: The agency believes there are no substantial risks to this rulemaking.

Action Date FR Cite
NPRM  12/00/2022 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: Yes 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: No 
Agency Contact:
Lori Summers
Chief, Light Duty Vehicle Division
Department of Transportation
National Highway Traffic Safety Administration
NVS-112, 1200 New Jersey Avenue SE,
Washington, DC 20590
Phone:202 366-1740