Traffic engineers are quietly working on a radical idea: adding a white signal to the familiar red, yellow, and green.

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 ...

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, ...

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 ...

Ah, the yellow light. You know, that signal that is supposed to let you know to slow down as you approach the intersection, but makes you speed up instead? You probably take it for granted, but ...