Imagine you're sitting at an intersection with a red traffic light, and suddenly you hear a siren. You look in the rearview ...

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 ...

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

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 ...

A red-light camera at the intersection of Lincoln and Soscol avenues north of downtown Napa — the first of a total of four locations planned for the city — has been capturing images of traffic ...