When A Traffic Light Malfunctions You Should Treat The Malfunctioning Light As A:

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RED—A red signal light means STOP.

You are watching: When a traffic light malfunctions you should treat the malfunctioning light as a:

A right turn can be made against a red light ONLY after you stop and yield to pedestrians and vehicles in your path. DO NOT turn if there is a sign posted for NO TURN ON RED.

FLASHING RED—A flashing red signal light means exactly the same as a stop sign: STOP! After stopping, proceed when safe and observe the right-of-way rules.


YELLOW—A yellow signal light warns you that the red signal is about to appear. When you see the yellow light, you should stop, if you can do so safely. If you can”t stop, look out for vehicles that may enter the intersection when the light changes.

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FLASHING YELLOW— What does a flashing yellow light mean?A flashing yellow signal light warns you to be careful. Slow down and be especially alert.


You can turn left ONLY if you have enough space to complete the turn before any oncoming vehicle, bicycle, or pedestrian becomes a hazard. Vehicles turning left must always yield to those going straight from the opposite direction.


GREEN ARROW—A green arrow means GO, but first you must yield to any vehicle, bicycle, or pedestrian still in the intersection. The green arrow pointing right or left allows you to make a protected turn; oncoming vehicles, bicycles, and pedestrians are stopped by a red light as long as the green arrow is lit.

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TRAFFIC SIGNAL BLACKOUT—If all traffic signal lights are not working because of an electrical power failure, you must stop at the intersection and then proceed when you know other turning and approaching vehicles, bicycles, or pedestrians have stopped. Ablacked-out traffic signal works the same as a four-way stop intersection.

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