I believe that there are about 40,000
As of 2011, there were more than 25,000 sets of traffic lights in the UK. There was a 30 percent increase in traffic lights from 2000 to 2008.
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.
The capital of India has about 800 traffic signals
30 000
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* The disadvantages of traffic lights r * Traffic lights can cause a chaos on the roads.* Also cause a huge traffic
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No one really controlls the traffic lights. A computer system controls the traffic lights, and no humans are involved with controlling the traffic lights day in and day out. It is all automated these days.
The new traffic lights are now LED lights and do not ever burn out.
No, because traffic lights are charged, not naturally bright.
Florida's traffic crash statistics (2008-2009) are 2,563 fatalities.
As soon as you see that there is oncoming traffic.Turn the situation around.When would you want oncoming traffic to dim their lights?