What does a prohibited U-turn sign typically indicate?

A prohibited U-turn sign indicates that making a U-turn is not allowed at that particular intersection or road section. This restriction is usually in place for safety reasons, such as high traffic volume, limited visibility, or other road characteristics that could lead to accidents. When drivers see this sign, they must obey it to avoid legal consequences and to ensure their safety and the safety of others on the road.

In contrast, other options suggest conditions under which U-turns may be allowed or imply that they can be performed, which does not align with the purpose of the prohibited U-turn sign. This sign explicitly communicates that no U-turns should be made, emphasizing the importance of compliance with road signs for maintaining order and safety on the roads.