Emergency traffic lights are coming to Duneland communities, improving safety when police and fire departments respond to a ...

The city of Roswell is installing emergency vehicle preemption technology at all 107 of its traffic lights. The city’s system by Alpharetta-based Applied Information speeds up emergency response times ...

Officials hope the new technology will save seconds and ultimately, lives.

A new traffic signal preemption system launched along the Plainfield Avenue corridor automatically cycles lights to green as ...

Traffic is expected to be flowing more safely near a major Fox Chapel traffic intersection. A $300,000 project to modernize ...

Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

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.

Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

Late at night, stopped at a traffic light, a driver notices lights on all lanes of travel except their own appear to change normally from red to green. Continuing their lawful wait through multiple ...