Road sign is using colors, words, shapes and symbols to deliver or convey messages to drivers in a very short amount of time. Without all the signs, the movement of traffic would be unpredictable and disorderly.
However, the road signs need to be noticed by drivers without being a dangerous distraction.
Road signs are mainly to grab drivers' attention through easily understood words.
For instances, the "STOP" signs are normally have a distinct octagonal shape and filled with a red background in order to catch on the driver's eyes.
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