San Mateo’s Smart Corridor system continues construction on the U.S. Highway 101 merge as a part of the countywide project.

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 ...

Traffic lights today are controlled by computers and other purpose-built systems, but what did people do before computers ...

For City of Merced public works lead traffic light technician Tanner Harkreader, problem solving and successfully diagnosing traffic light problems is part of what it takes to keep the city's traffic ...

U.S. traffic lights lack countdown timers because of the possibility of confusion, the short time some yellow lights are displayed, and the potential cost.

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.

The Pennsylvania Department of Transportation (PennDOT) has announced that night work is scheduled to begin next week on a project to install permanent traffic signals at the intersection of Kindig ...