If you’ve seen talk about a white traffic light or images of a signal with an unfamiliar fourth color, you’re not imagining it. With everything drivers already pay attention to at intersections, ...

A new type of traffic light that's becoming increasingly popular in Massachusetts is confusing drivers, with nearly a quarter of cars running through a solid red light, a study found. Researchers at ...

KNOX COUNTY, Tenn. — There are 91 traffic signals in Knox County with more on the way. Have you ever wondered how those lights know when to change and who makes sure they work? In part, it's up to ...