Efficient traffic management in urban areas remains a significant challenge as vehicle density grows and infrastructure ...

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, ...

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 ...

ROSWELL, Ga. — The city of Roswell is installing emergency vehicle preemption technology at all 107 of its traffic lights, along with lights run by the state. The city’s system by Alpharetta-based ...