What does a solid yellow line indicate?

A solid yellow line indicates that passing is not allowed. This means that if you are driving in a lane with a solid yellow line next to it, you should not cross that line to overtake another vehicle. This rule is in place to enhance safety on the roads, particularly in areas where visibility is limited or where it is dangerous to pass, such as on hills or curves.

Understanding this is crucial for maintaining safe driving practices and for complying with traffic laws designed to prevent accidents. While other lines, like dashed yellow lines, may indicate that passing is permissible, a solid yellow line consistently denotes a restriction in that aspect, emphasizing caution and the importance of staying in your lane.