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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.
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∙ 11y ago
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How many traffic lights are there in Florida?
I believe that there are about 40,000
What does blue traffic lights mean?
I'm not sure that blue traffic lights are real. However, a blue light behind you means you just got pulled over.
What are the disadvantages of the traffic lights?
* The disadvantages of traffic lights r * Traffic lights can cause a chaos on the roads.* Also cause a huge traffic
Why did the elephant pain his toenails red green yellow blue and purple?
So the ants can use them as traffic lights.
Is there a blue light on a traffic light?
To help people with colorblindness the "green" light has a mixture of green and blue. I think they the new lights have more blue than the older ones.
Who controls traffic lights?
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.
How often do traffic lights burn out?
The new traffic lights are now LED lights and do not ever burn out.
Are traffic lights luminous?
No, because traffic lights are charged, not naturally bright.
Are blue tail lights legal?
No only law enforcement, fire brigade or ambulances are allowed blue lights on a vehicle. The road traffic law says tail lights must be red and orange in colour, if the lenses are white for the indicater then they must have orange bulbs
What are traffic lights made of?
Traffic lights are made of part metal and part glass.
What are the disadvantages in traffic lights?
people can be colorblind. When the power goes out so do the traffic lights.
How many traffic lights are there in the UK?
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.
