RALEIGH, N.C. (WNCN) — The North Carolina Department of Transportation is changing the way traffic lights flash during a signal malfunction. The department says they have begun modifying 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.

Sometimes, the green light doesn't stay green long enough at an intersection when there's a lot of traffic. Other times, you're stuck at a red light with no traffic, wondering if it's ever going to ...