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

HARRISBURG, Pa. — State funding will go towards traffic signal upgrades in the Lehigh Valley and Berks County. 57 municipalities across the Commonwealth will receive nearly $30 million through the ...

If you are in your car, driving through an intersection with traffic lights, you're accustomed to looking for a few types of signals — usually green, yellow, and red lights or turn arrows. These ...