Certain highway signs require drivers to obey an indicated instruction. Such signs are known as: Regulatory signs.
White regulatory traffic signs with black or red text tell drivers what they must or must not do in specific situations. Regulations that are in effect permanently or only during certain hours or locations are indicated and reinforced by regulatory signage.
Stop, yield, do not enter, no turning on left, no turning on right, no parking, weight restriction, speed limit, one way, and HOV lane ahead are a few examples of regulation signs. Regulatory signs are undoubtedly the most significant kind of traffic signs because they are used to control traffic flow.
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