Occasionally, during events or construction, you may see temporary stop lights set up by workers. How do these portable ...

ANN ARBOR, MI — Ann Arbor’s first dedicated bus lane with a transit-priority traffic signal has been in operation two months, giving northbound buses going straight or turning left an edge over other ...

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 ...

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 ...

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, ...