Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate movement at intersections.

You may have noticed some traffic lights with a white light that works independently of the others. They're not for normal cars; here's what they're for.

If you've ever wondered how traffic lights work and how they can detect your car, you've probably also been curious about those small blue lights mounted above the signals themselves. These blue ...

ASSOCIATION STUDY. AND IF YOU DON’T OBEY THE CROSSWALK, YOU’LL GET A TICKET. ALBUQUERQUE IS ADDING NEW TRAFFIC SIGNALS TO MAKE CROSSING THE STREET SAFER. BUT THE SIGNALS HAVE DIFFERENT RULES THAN ...

PENNSYLVANIA (WHTM) — On many traffic signals found throughout the United States and Pennsylvania, there is a small light that is placed in between or off to the side of the traffic signal lights.