Final answer:
NO U-TURN signs are posted where U-turns are not allowed.
Step-by-step explanation:
NO U-TURN signs are posted where U-turns are not allowed. These signs are placed on roadways to indicate to drivers that they cannot make a U-turn at that particular location. U-turns may be prohibited for various reasons, such as to ensure the safety of other drivers, to maintain traffic flow, or to prevent accidents. It is important for drivers to obey these signs and make safe and legal driving maneuvers.