How far must no vehicles be present for a U-turn to be considered legal in residential districts?

A U-turn is considered legally permissible in residential districts when no vehicles are present for a distance of within 100 feet. This regulation is in place to ensure the safety of both the driver making the U-turn and other road users, as a clear space allows for adequate visibility and reduces the risk of collisions. If a U-turn is attempted too close to other vehicles, it can create hazardous situations, making it difficult for the driver to maneuver safely and for other drivers to react appropriately. Thus, maintaining a minimum distance of 100 feet is essential for safe driving practices in residential areas, where traffic may be lighter, but pedestrian activity could be high.