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

[Karter]

Because making a U-turn on white dashed lines can easily lead to traffic accidents, and traffic regulations prohibit U-turns in such situations. Here is more information about road markings: 1. Yellow lines: Yellow lines are used to divide opposing lanes of traffic. A solid yellow line prohibits crossing the line, while a dashed yellow line allows turning or making a U-turn when there is no oncoming traffic. 2. White lines: A single solid white line prohibits lane changes. Any solid line prohibits lane changes; solid white lines separate lanes traveling in the same direction and are usually painted before traffic lights at intersections. A solid white line indicates that vehicles must stay in their lane and cannot cross into another lane traveling in the same direction. A dashed white line separates lanes traveling in the same direction, allowing vehicles to change lanes but not make a U-turn.