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

KNOX COUNTY, Tenn. — There are 91 traffic signals in Knox County with more on the way. Have you ever wondered how those lights know when to change and who makes sure they work? In part, it's up to ...

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 ...

MassDOT will install a traffic signal mast at Route 123 and Groveland Street in Abington on March 20 and 23.

The Louisiana Department of Transportation and Development will install upgrades at two traffic signals in Pineville on March ...

Motorists are being warned of disruption ahead of traffic light upgrades at a main city centre junction in Hull. The new signals at the junction of Ferensway and Anlaby Road will reduce carbon ...