The U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) finalized a new Federal Motor Vehicle Safety Standard (FMVSS No. 127) that will make automatic emergency braking (AEB), including pedestrian AEB, standard on all passenger cars and light trucks by September 2029.  The new standard requires all cars be able to stop and avoid contact with a vehicle in front of them up to 62 miles per hour and that the systems must detect pedestrians in both daylight and darkness. In addition, the standard requires that the system apply the brakes automatically up to 90 mph when a collision with a lead vehicle is imminent, and up to 45 mph when a pedestrian is detected.

This final rule applies to nearly all U.S. light vehicles (gross vehicle weight rating of 10,000 pounds or less). A Final Regulatory Impact Analysis that presents the benefits and costs associated with the standard is included in the Final Rule: https://lnkd.in/gCrVG__5

In June 2023, NHTSA and the Federal Motor Carrier Safety Administration announced a separate notice of proposed rulemaking that would require heavy vehicles, including tractor trailers, to have AEB, which the agencies are in the process of finalizing.