What does a double yellow line on the road signify?

A double yellow line on the road signifies that passing is not allowed. This marking is used to indicate that the road is divided into separate lanes for traffic moving in opposite directions, and it is intended to enhance safety by preventing drivers from attempting to overtake vehicles in areas where it could be dangerous. The presence of a double yellow line means that there are significant risks associated with crossing it, and as such, it serves as a clear visual cue to drivers that they must remain in their lane and must not engage in passing maneuvers. Understanding the meaning of road markings like the double yellow line is crucial for safe driving and adherence to traffic regulations.