When I was a kid and just learning to drive a car, it was common to only have a single traffic signal at an intersection. My guess is that about 1960 it either became law or just became a standard to have a minimum of two or three lights. With only one light, you might not see it if you were traveling behind a truck.
When we only had one traffic light, it was set on a pole at the right of the intersection. Some were hard to locate if you weren't familiar with the area. I remember that some rural areas had the red light on the bottom and green on top. Thank goodness everyone got together.
The U.S. is a very orderly society. The great majority of people obey the laws even when they don't have to. We also love our automobiles. I guess the day of the self-driving car is coming but I would be one to resist it. Driving is fun.
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RANDOM MUSINGS FROM THE TOP OF THE HILL
5/12/2017
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