What does a solid white line indicate in driving?

A solid white line on the road signifies that lane changes are discouraged. This means that drivers should remain in their lane and not attempt to switch to another lane. The use of a solid white line is often found in areas where lane changes could pose a safety risk, such as near intersections, areas with heavy pedestrian traffic, or in locations where visibility is limited.

In places where solid white lines are present, adhering to them promotes safer driving practices by reducing the likelihood of accidents that can occur due to sudden lane changes. It serves as a visual cue to remind drivers to stay within their designated lane, thereby maintaining order and safety on the road.