Traffic light paragraph
Answers
Answer:
Traffic Lights Essay. Traffic lights are signaling devices located at road intersections and pedestrian crossings, they are now part of our everyday life. ... This is when J.P Knight took action in 1868 and made the first traffic light.
Explanation:
Traffic lights are signaling devices located at road intersections and pedestrian crossings, they are now part of our everyday life. Before traffic lights were invented, policeman would control traffic, but accidents would still occur frequently. This is when J.P Knight took action in 1868 and made the first traffic light. It was installed outside the British Houses Of Parliament but didn’t last long since it exploded in 1869 due to a gas leak. It was only in 1912 that a man named Lester Wire created an electrical traffic light that is still used today. There are three main types of traffic lights: fixed timed, semi actuated and fully actuated. Fixed time traffic light are light where “signals change