A surprising amount of technology might be making that red light hold you up. Here's how traffic lights detect (or don't detect) your vehicle.

SALT LAKE CITY — For anyone who's ever been frustrated waiting at a red light when no other cars are coming — this article is for you. Our KSL team has had its own frustration with lights that don't ...

Modern traffic light technology isn't just a simple sequence of red, yellow, and green. It's a complex detection system designed to manage traffic flow based on real-time demand. The very first "smart ...

Today's traffic lights can be controlled by anything from standard traffic control computers to highly advanced AI-driven computer systems that are so "smart" they can predict what's going to happen ...

Seeing Green, a short film by Chevrolet, celebrates the many kinds of traffic lights that were in operation in the 1930s and explains the mechanics of coordinating lights across a city. Seeing Green, ...

While we may be used to seeing cameras on top of traffic lights at major intersections, they're used for more than simply watching out for red-light runners. In fact, there are two main types of ...