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

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 ...

You’re running late to work in the morning and then you hit every single red light on the way. You’re cooked. It's not bad luck. There actually is someone to blame. A team of engineers, casually ...