What is the difference between yellow dashed lines and white dashed lines in the same direction lanes?

[StAmir]

The following are the differences between yellow dashed lines and white dashed lines in the same direction lanes: 1. Applicable environment: Yellow dashed lines are usually set on relatively narrow road surfaces; white dashed lines are usually set on relatively wide road surfaces. 2. Distinction: Yellow dashed lines are used to distinguish opposite-direction traffic flows; white dashed lines are generally used to divide different lanes of the same direction. 3. Operation: Under the premise of ensuring safety, yellow dashed lines allow crossing the line to borrow the opposite lane for overtaking or U-turns; white dashed lines allow crossing the line for lane changes under safe conditions, but U-turns are prohibited.