Why Are the Traffic Lights in Red Yellow and Green?

Why-Are-the-Traffic-Lights-in-Red-Yellow-and-Green

Why are the traffic lights in red yellow and green? Did you know that the meaning of traffic light colors varies between countries and regions? Fluent speakers of English might expect red to mean “stop”, green to mean “go”, and yellow to mean something in between. But what do these traffic light colors mean in … Read more