History of the Traffic Light By allmaxi22 1722 First police used to direct traffic 1868 First gas power traffic light used 1869 Gas explodes when officers it fixing light 1908 Traffic light uses stop and go 1912 Traffic light is used by a box which is rotated 1912 The idea of electric traffic light t 1920 First automated traffic light installed 1922 Introduction of the traffic control center 1990 Count down traffic lights