When were traffic lights invented?
The purpose of traffic lights is to control the flow of traffic, determine the right way of intersections and give greater safety to drivers. By linking successive traffic signals together, a progressive movement through the streets can be provided.
Fixed-time traffic lights were invented in the United States and introduced in New York in 1918.
Traffic lights were used for the first time in Britain at Wolverhampton, Staffordshire in 1928.
