Is it legal to use the shoulder of a road for passing another vehicle?

Using the shoulder of a road for passing another vehicle is illegal in South Carolina. Shoulders are designated as emergency zones, intended for vehicles experiencing mechanical issues, allowing them a safe space to pull off the road without obstructing traffic. When a driver uses the shoulder to pass another vehicle, it can create a dangerous situation, as it is not intended for regular travel or maneuvering. The law is established to ensure the safety of all road users by preventing unexpected movements that could lead to accidents. Therefore, it is crucial for drivers to adhere to the rules that prohibit passing on the shoulder, emphasizing safety and proper road usage.