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

These blue lights are now appearing in several states, including Florida, Colorado, Minnesota, South Dakota, and Kansas ...

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 ...

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 ...

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

A new mast pole with new traffic lights on two arm extensions has been installed on a concrete slab at the main intersection ...

The Nashville Department of Transportation (NDOT) is rolling out the city’s first ever “Smart Signal” traffic lights at 36 ...

MADISON, Wis. -- The City of Madison received a grant from the Carbon Reduction Program that allows for a five-year plan to update the city’s traffic lights and signals. This project to "switch the ...