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 ...

There's a new pedestrian crossing signal in town. Rather than relying on long-standing laws requiring motorists to stop for pedestrians in a crosswalk, the Pedestrian Hybrid Beacon uses yellow and red ...

The city explains that these smarter traffic signals are programmed to select from a menu of signal timings based on traffic ...

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.

COLUMBUS, Ohio (WCMH) — Several new traffic signals with flashing yellow arrows are being installed in west Columbus — something officials hope will reduce the number of left-turn crashes. Ten new ...

FRESNO, Calif. (KFSN) -- Residents and local leaders say the impact of a new traffic signal in northwest Fresno will be life changing. The new traffic signal is expected to curb dangerous driving, ...

Traffic lights are popping up all over Lyons Road west of Boynton Beach. It wasn’t all that long ago that the 5-mile stretch of highway between Boynton Beach Boulevard and Atlantic Avenue dead-ended ...

The second phase of the Chambersburg Signal Improvement Project is updating 63 traffic signals in the area. Updates include responsive signal timing, flashing yellow turn arrows, and new green turn ...