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

Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights ...

On many traffic signals found throughout the United States, there is a small light that is placed in between or off to the side of the traffic signal lights. Sometimes you see them blink when ...

Small blue lights are quietly appearing above intersections in several states, helping police catch red-light runners while keeping intersections safer.

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

CORPUS CHRISTI, Texas — Staples Street between McArdle and Holly is where the traffic signal lights are now synchronized. It is part of a city test to see if it can get all of the lights to turn green ...

Deep inside a subway station in Brooklyn, in a cramped, industrial room, Dyanesha Pryor pushes in a metal lever on a hulking machine that was installed nearly a century ago. A few hundred feet away, a ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WHTM/NEXSTAR) – On many traffic signals ...