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Collision Warning, Automated Braking Drastically Cut Rear-End Car Crashes

• A new study shows a significant reduction in rear-end collisions for vehicles equipped with forward collision warning along with automatic emergency braking.
• Other advanced driver assistance systems have had less dramatic but still notable real-world results.
• The study looked at vehicles from the 2015 to 2020 model years.

You are half as likely to be hit from behind if the car following you is equipped with forward collision warning and automatic emergency braking. That’s the main takeaway from a new study, the results of which were recently released. Forward Collision Warning (FCW) combined with Automatic Emergency Braking (AEB) reduced the incidence of rear collisions by 49 percent. It is not just low-speed accidents that are prevented – the technology has reduced serious injury accidents of this type by 42 percent.

The automotive industry has already been enthusiastic about adopting these safety systems. In 2016, 20 automakers issued a statement pledging to make AEB standard on all vehicles, and the current study was conducted by PARTS (Partnership for Analytics Research in Traffic Safety), which is described as a data-sharing partnership between the US Department of Transportation and eight automakers. The study also looked at other advanced driver assistance systems, and there the results were less dramatic. Vehicles equipped with lane departure warning (LDW) and lane keeping assist (LKA) were less likely to be involved in single-car crashes where the vehicle stuck a roadside object, but the reduction was only 8 percent. The addition of track centering increased efficiency marginally, bringing the drop to 9 percent.

The study also looked at pedestrian detection systems and their ability to reduce incidents of vehicles hitting pedestrians, but the data was inconclusive, possibly due to the small number of vehicles so equipped.

The study used police-reported crash data from 13 states for crashes that occurred between January 2016 and August 2021. More recently, earlier this fall, AAA warned that the safety systems can’t completely protect vehicles from rear-end crashes, especially those that happen at higher speeds in the 40 mph range and above, so this technology doesn’t mean you’ll never be rear-ended again. will not be

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