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.

Add Yahoo as a preferred source to see more of our stories on Google. Traffic light on yellow with sky and trees in background. - Ktsimage/Getty Images Ah, the yellow light. You know, that signal that ...

Putrajaya Corporation recently announced that the federal territory is transitioning its traffic light system to an AI-based ...

Every time we stop at a red light, wait patiently for green, or slow down on yellow, we’re participating in a system that quietly keeps billions of people safe. But have you ever wondered who invented ...

Small cameras mounted on top of traffic lights have become a pretty common sight in the U.S., as they can be found in almost every state. It continues to get more common, as the number of traffic ...