Confused about what to do at a red light? Here's when it's legal to turn, what flashing signals mean, and who can go through ...
When a lighted intersection isn’t functioning properly, the lights for one set of lanes typically begin flashing red, and the ...
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.