Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

A fully operational traffic signal at the intersection of Ingelside Drive and Route 31 is now in use by vehicular traffic and pedestrians.

Starting June 18, ramp metering will be implemented at eight entrance ramps to I-96 in Oakland County to improve safety and traffic flow. The system will initially flash yellow, indicating inactivity, ...

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 ...

FINALLY! The dangerous "blinking light" intersection on Highway 93 is getting a proper traffic signal after 6 fatal crashes ...

KSHB 41 reporter Charlie Keegan covers politics on both sides of the state line. If you have a story idea to share, you can send Charlie an email at charlie.keegan@kshb.com. A Kansas City, Missouri, ...

Many cities are replacing their incandescent traffic lights with LEDs, despite the higher initial cost. Here's why that's ...