Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

While there are plenty of traffic laws out there that might have you scratching your head, there's a good reason why zooming through a red light is illegal. Whether on a busy city street or a small ...

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 ...