ALL ABOUT TRAFFIC LIGHTS

INVENTOR OF TRAFFIC LIGHTS

• The first traffic lights were invented in 1914 by J.P. Knight who's real name is John Peake Knight.
• The worlds very first traffic light was installed near London's House of Commons.

HOW A TRAFFIC LIGHT WORKS

• At first traffic lights were all controlled by either timing or manually switched.
• There is usually a drive on the post in a box that controls the traffic lights and is an electrical system for the telephone wires.
• Some traffic lights were powered on solar power

OLDER MODELS

• Older models of traffic lights were mainly on poles instead of power lines.
• Most of the older models had four sides instead of one.
• When traffic lights were first invented they only had red and green lights.

RESOURCES

• SlideShare
• Personal interview/Wendy Scanlan
• Personal knowledge
• Scandal
• Haiku deck
• Traffic light book
• The News Wheel

Thank You