A sideways traffic light might look strange at first, but it’s fully functional and intentional. In several U.S. states, horizontal traffic lights are the standard. They display the same red, yellow, ...

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, ...

Local News Mass. drivers are baffled by these new traffic lights — here’s how they work Hybrid traffic lights, designed to make crossings safer, are confusing motorists across the state — and some ...

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 ...