Why is there a single yellow line on a one-way street?

[StLuna]

There is no single yellow line on a one-way street. A single yellow line is generally used in the middle of narrower roads to separate two lanes. If it is a solid yellow line, vehicles are not allowed to cross the line for U-turns or lane changes. Below is more information about road markings: 1. Single yellow dashed line: A single yellow dashed line indicates that overtaking and U-turns are allowed when there are no oncoming vehicles and it is safe to do so. Vehicles on both sides of the dashed line have the same rights. 2. Double yellow lines: On wider roads, a single yellow line is insufficient for clear distinction, so double yellow lines are used. Double yellow lines are typically applied on wider roads, in the middle of two-way lanes, to separate lanes of opposing directions. 3. Purpose of yellow lines: Yellow lines are used to separate lanes of different directions, usually painted in the center of the road, acting like a divider to separate the road into two directions.