What does a single white solid line mean?

[BeauLynn]

White solid lines are painted on road sections to separate motor vehicles and non-motor vehicles traveling in the same direction or to indicate the edge of a traffic lane. When used at intersections, they can serve as guide lane lines or stop lines. Below are relevant introductions: 1. White dashed lines: When painted on road sections, they are used to separate traffic flows traveling in the same direction or as recognition lines for safe driving distances; when painted at intersections, they guide vehicle movement. 2. Yellow dashed lines: When painted on road sections, they separate opposing traffic flows. When painted on the roadside or curbs, they prohibit vehicles from parking for extended periods. 4. Yellow solid lines: When painted on road sections, they separate opposing traffic flows; when painted on the roadside or curbs, they prohibit vehicles from parking either temporarily or for extended periods. 5. Double white dashed lines: When painted at intersections, they serve as yield lines; when painted on road sections, they function as variable lane lines that change direction over time.