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

Lebanon Pike’s smart signals will span from the Wilson County line to downtown Nashville. Eventually, the goal is for ...

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 ...

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 ...