New US Vehicles Must Have Automatic Emergency Braking by 2029

All new cars sold in the United States by 2029 should have an automatic braking system that will be triggered when a collision becomes a possibility, according to new regulations from the National Highway Traffic Safety Administration (NHTSA).

On Monday, the NHTSA finalized a new standard requiring all passenger cars and light trucks to have automatic emergency braking (AEB), including pedestrian AEB, by September 2029. “AEB systems use sensors to detect when a vehicle is close to crashing into a vehicle or pedestrian in front and automatically applies the brakes if the driver has not,” according to the press release. “Pedestrian AEB technology will detect a pedestrian in both daylight and in darker conditions at night. This will significantly reduce injury or property damage and associated costs from these crashes.”

The new standard mandates that all cars be able to stop and avoid contact with a vehicle in front at speeds of up to 62 miles per hour.

When a collision with a lead vehicle is imminent, the standard requires the system to apply brakes automatically at speeds of up to 90 mph. This is higher than the current maximum speed limit in the United States which is 85 mph. When a pedestrian is detected, the braking has to be triggered at speeds of up to 45 mph.

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