Why can't you make a U-turn on white dashed lines?

2 Answers
AdelineLynn
07/29/25 8:42am
Because making a U-turn on white dashed lines can easily lead to traffic accidents. White dashed lines are pedestrian crossings, which are signs for pedestrians to pass through. Here are the relevant explanations: 1. White dashed lines: When marked on road sections, white dashed lines are used to separate traffic flows in the same direction or serve as safety distance recognition lines for driving; when marked at intersections, they are used to guide vehicle movement. 2. Situations where U-turns are allowed: At locations with designated U-turn openings, drivers should turn on the left turn signal in advance and make a U-turn without affecting other normal traffic; at intersections with U-turn signals, ensure the U-turn signal is green and make the U-turn within the designated lane; at intersections with U-turn signs, make a U-turn based on actual conditions without obstructing other vehicles or pedestrians, and at intersections without explicit prohibitions against U-turns or left turns.
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FinleyMarie
08/11/25 6:18pm
As an experienced driver with years of driving under my belt, I often see this misunderstanding on the road. White dashed lines primarily indicate lane boundaries and allow for lane changes, but not U-turns, as it's a major maneuver that can easily lead to accidents. I remember once on a city road at a white dashed line, I tried to make a U-turn for convenience and almost collided with an oncoming bus—thankfully, I reacted quickly. Later, I learned that the rules are designed this way to avoid blind spot risks or pedestrian safety hazards. U-turns require specific signs or locations, such as dedicated lanes or when traffic signals permit. Making illegal U-turns can also result in fines or points, affecting your safety record. Now, I always make sure to observe my surroundings more carefully and remind new drivers to start with the driving rule manual and not overlook these small details—safety always comes first.
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