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Red color is uesed for stop traffic signal bcos the red color having the highest wavelength.so, it is visible from the longer distance even in foggy atmosphere as compared to the other spectrum colors

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13y ago

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Why do you use red light in traffic signals?

red was used to signify risk from not obeying - red being the color of BLOOD!!!!


Why red light is used as the traffic light?

Red light is used as the top light in traffic signals because it can be seen from a greater distance than other colors, making it effective for signaling drivers to stop. Red is also associated with danger and commands attention, helping to alert drivers to the need to come to a halt.


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What Ohio city was the first traffic light used in?

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What must you do when you encounter a flashing red while driving?

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