The tech tracks red-light runners and near misses, but it can also extend green-light time for pedestrians if it senses they need extra seconds to cross
Utah’s DOT uses LiDAR at intersections in Salt Lake City to reduce accident rates. Sensors detect red-light violations and near misses, optimizing intersection signal timing. The tech can extend green lights for pedestrians in real time based on crossing needs. You’re probably familiar with the use of LiDar technology—short for Light Detection and Ranging—in high-end cars like the Mercedes S-Class, which used the hardware to become the first vehicle capable of Level 3 autonomous driving.
That allows researchers to see patterns, such as identifying areas where near misses routinely occur, or when and where pedestrians jaywalk, something not possible previously. It can also record average speeds and logs everything with 99.98 percent accuracy.LiDar technology works by sending out laser pulses and measuring how long it takes the light to bounce back after hitting an object. It's like a submarine's sonar, but more high tech.
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