When is the only time you can make a U-turn?

Making a U-turn is generally subject to specific conditions to ensure the safety of all road users. The correct choice emphasizes that U-turns are allowed only when it is safe to do so and not prohibited by any signs or laws. This means that drivers must assess traffic conditions, visibility, and any local regulations before attempting a U-turn.

Safety is a core aspect of this choice, as making a U-turn in traffic or in areas where it is not permitted can lead to accidents or violations. The presence of signs indicating prohibitions, such as "No U-turn," means that a driver must respect those rules to ensure compliance with traffic regulations. Additionally, the absence of signs does not automatically mean it's safe; drivers must always evaluate the surroundings.

The other options do not align with safe driving practices or legal requirements. For instance, making a U-turn whenever one desires ignores the need for situational awareness and compliance with traffic laws. Similarly, stating U-turns are permitted at any intersection with a stoplight does not consider specific limitations that may apply to that intersection. Lastly, restricting U-turns to daylight hours only does not capture the full spectrum of legal and safe driving practices, as U-turns can be permissible at night if conditions are right and legal