Typically, they are 12 inches, but older ones are 8 inches
inventor of the traffic light
Yes. That is why they are called traffic lights.
Because it directs traffic with lights?
Bhutan in Asia does not have traffic lights.
there is no traffic lights. only four in the capital.
Yellow, then red is the patterns of the traffic lights.
The cost of a traffic light varies and depends on the intersection it is placed. Traffic lights can cost anywhere from $80,000 to $100,000.
they didnt have traffic lights back then sorry :/
Yes if you run a red traffic light (in the UK)
They are "Confirmation Lights" which are the WHITE or BLUE light located directly above a Traffic Signal and are utilised by the Police to detect "Red Light Runners".It is "lit" when the lights are on Red.This allows the Police to see if anyone has run the red light.
In the United States, the middle light on a traffic light is "Yellow" or "Amber," depending on the regional colloquialism.
red light is used in traffic lights because red light has a "longer wavelength" than other colours