Controlling for other factors that can affect crash risk, blind-spot detection lowers the rate of all lane-change crashes by 14 percent and the rate of lane-change crashes with injuries by 23 percent, according to the new research. The Insurance Institute for Highway Safety ( IIHS ) has found that lane - departure warnings and blind - spot detection are reducing the risk of crashes in the US , the first evidence of its kind . crashes were reduced by 11 % when lane - departure warnings were active , and the rate of accidents dropped by 21 % , according to the study . Fatal crash rates were down by 86 % , but the sample size was small enough that this was statistically insignificant .
The Insurance Institute for Highway Safety ( IIHS ) has found that lane - departure warnings and blind - spot detection are reducing the risk of crashes in the US , the first evidence of its kind . crashes were reduced by 11 % when lane - departure warnings were active , and the rate of accidents dropped by 21 % , according to the study . Fatal crash rates were down by 86 % , but the sample size was small enough that this was statistically insignificant .