You may have noticed some traffic lights with a white light that works independently of the others. They're not for normal cars; here's what they're for.

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

PLAINFIELD TOWNSHIP, Mich. — Red lights won't be slowing down Plainfield Township's fire crews racing to emergency calls. A new traffic signal preemption system launched along the Plainfield Avenue ...

AUSTIN (KXAN) – The city of Austin is preparing to roll out a new traffic-signal system next year, designed to help ambulances and fire trucks reach their destinations faster and more safely. The new ...