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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.

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13y ago
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6mo ago

No, traffic lights typically have red, yellow, and green lights. Blue lights are not commonly used on traffic signals because they could be confused with emergency vehicles.

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Q: Is there a blue light on a traffic light?
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Related questions

What does a blue traffic light mean?

Nothing. there is no blue light.


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 blue lights on traffic lights in Florida?

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.


What is the purpose of the small red and blue lights that are mounted on traffic signal poles in the Las Vegas area?

that blue mystery is an indicator light that helps police catch drivers who run reds. Basically, the police officer waits in a safe location off the street where he or she can observe the blue light. When the red traffic signal comes on, so does the blue indicator light. The officer can then determine if a driver entered the intersection on the red light. A big benefit is police can tell whether vehicles are running the red light from either side of the intersection.


What is the opposite of heavy traffic?

The opposite would be "light traffic".


What happnes if the traffic light system brakes down?

If a traffic light breaks most cities will assign a traffic cop to regulate traffic until the light can be fixed.


What does a fresh traffic light means?

A traffic light you seen change to green


Can a traffic light emit light energy?

Yes. That is why they are called traffic lights.


What did the big traffic light say to the little traffic light?

your not so bright


What compound words start with traffic?

Traffic light Traffic jam Traffic cone


When was the traffice light invented?

The first traffic light was invented in December 10, 1868. The electric traffic light was invented in 1912. The Automatic Traffic light was invented in 1927.


How long is the statute of limitation for failure to stop for a blue light?

No state has a statute of limitations on traffic tickets. The ticket itself is notice of the charge.