Most regulatory signs are used to control the movement of traffic and they help the people to follow the rules and they are in the shape of vertical triangle
Explanation:
These sign are one that help to regulate the traffic for the traffic direction like the lane use, parking, turning, speed and in other special situation these signs are called as regulatory signs
They are most often in the shape of triangle with a red circle or a red dot in it indicating the signs and the direction in which they must move and the rule that they must not follow
Some of the examples are no right turn, no left turn and no U-turn
