What is the meaning of a double solid yellow line on the road?

A double solid yellow line on the road signifies that passing is not allowed in either direction. This road marking is used to enhance safety by indicating that the road ahead might have restricted visibility or other conditions that make passing dangerous. The solid lines serve as a clear visual cue to drivers that they should remain in their lane and not attempt to overtake other vehicles. This rule is crucial for preventing accidents that can result from unsafe passing maneuvers. Understanding this marking helps drivers navigate the road responsibly and maintain safe distances from other vehicles.