You know about traffic signals. You also have to obey the rules. A pole of a traffic signal that contains red, yellow, and green lights. You may also know what these lights mean. But have you ever wondered why these three colors were chosen in the traffic signal? Let's know about this interesting information which you've never known before.

In fact, red has the longest wavelength than other colors on the visible spectrum. It starts appearing from a distance. The use of red also indicates that there is a further threat, you should stop. That's why this light was kept for traffic.

Yellow is used in traffic lights because it is considered a symbol of energy and the sun. This color tells you to get ready to take your energy back on the road.

The green color is considered a symbol of nature and peace. This color is used in traffic lights because it is exactly the opposite of danger. This color soothes the eyes. This means that you can now move forward without any threat.

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