Since childhood, we are definitely taught one principle of traffic rules, that green light means to move and red light means to stop. If you ask any 3-4 year old child, he will tell you that red means stop. You must have seen STOP written on the red board on the road also. But have you ever seen a stop sign on a blue board? (Blue Stop Sign Meaning) This mark is there in many places. If you ever see it, be alert immediately. Let us tell you what this…
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