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Flashing traffic lights are used when the control system is not functioning properly, or when there is very low level traffic (to the point that lights become unnecessary).

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Q: When are flashing red and yellow lights used to control some traffic intersections?
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Flashing red and yellow lights control some intersections during times when there is traffic flow?

Low


When Flashing red and yellow lights control some intersections during times when there is?

low traffic flow in rural areas


Flashing red and yellow lights control some intersections during times when there is what type of traffic flow?

low traffic flow in rural areas


Why do you have traffic lights not roundabouts?

Some intersections have traffic lights instead of round abouts because there is too much traffic on some intersections for a roundabout to be safe. Roundabouts have to have a certain amount of traffic to be safe enough for no traffic light.


What was the traffic light law designed to do?

The traffic light law was designed to regulate and control the flow of vehicular and pedestrian traffic at intersections to improve safety and prevent accidents. It assigns right of way to different directions of traffic using colored lights to signal when to stop, proceed, or yield.


What did came first the vehicles or the traffic lights?

Logically, unless there were reasons to control traffic, there would have been no reason to create or install traffic lights. Because "traffic" generally comprises vehicles (motorized or otherwise), the traffic was probably there prior to the lights. Certainly, there were mechanical traffic signals that preceded traffic lights, not to mention traffic officers who once stood at busy intersections to direct traffic on a regular basis.


Why is traffic lights invented?

traffic lights were invented because at intersections increased and the number of policemen required to direct traffic at each junction became economically enviable


What flashing red lights at a railroad crossing mean?

(in the US) Some cities and towns have installed a system at major intersections that can be activated when an emergency vehicle (fire apparatus - ambulance - police) are on an emergency assignment and approaching that interesection. The flashing strobe is an indication to motorists to be alert for emergency vehicle traffic and be prepared to stop regardless of the indication of the regular traffic lights.


Does flashing your headlights at a red traffic signal make it change to green?

No, Flashing your headlight's will have no effect on a traffic signal. The reason a traffic signal changes for emergency vehicles that have the lights flashing, is, they have a special transmitter that tells the light to change. This transmitter is connected to the emergency lights so it comes on when the lights are used.


What makes the traffic light so important?

Traffic lights are important because they regulate traffic safely and make movement of traffic smoother and faster at intersections.


When you are driving in fog you can see better?

Not using bright lights, turning off music/radio so you can hear traffic at intersections, opening windows at intersections, getting fog lights on the car, and using only low beans on the car.


What product prevents car collisions at intersections without requiring every car to stop at every intersection?

traffic lights