The Traffic Light #whatchangedtheworld
Some towns have only one, some have one every few feet. Their three eyes look down on vehicles giving silent commands that millions follow daily. This is the history of the traffic light.
This is a part of modern life that has made us safer on the road and saved countless lives, but we often take for granted. Watch the video below on the history of the traffic light and how it changed the world. Answers the questions to demonstrate your understanding.