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 ...

Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

Getting stuck in Baltimore traffic is nothing new, and neither are the city’s traffic lights. A WBAL-TV 11 News Investigates request for information revealed that the age and functionality of the city ...

Fresnel lenses are designed so their light can be pointed in just one direction, meaning drivers in a lane may see only the ...

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 ...

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 ...

MOBILE, Ala. (WKRG) — The City of Mobile is moving forward with the next phase of its multi-year traffic light project, this time focusing on one of the busiest stretches in town: Airport Boulevard.

New Orleans' struggling Department of Public Works has failed to adequately maintain traffic signals throughout the city, leading to hazardous conditions on roadways, according to the New Orleans ...