August 5 is International Traffic Light Day! Before we even had automobiles on the road in 1866 a London inventor, J.P. Knight, created the first gas-powered traffic light. It ended up blowing up and was later removed. Fast forward 46 years and a police officer in Salt Lake City reintroduced it in the electric form. What about the caution yellow light?
Watch the video below for a quick history lesson and see how many we operate in Southern Nevada.