Driverless cars are no longer things of the future. Engineers at NC State University propose adding a fourth traffic light to ...
They might be vertical, they might be horizontal, but otherwise, traffic lights have hardly changed in a hundred years. Red means stop, yellow means slow down, and green means go, a universal code ...
Small cameras mounted on top of traffic lights have become a pretty common sight in the U.S., as they can be found in almost every state. It continues to get more common, as the number of traffic ...