What does a sign marking "Soft verges" warn drivers about?

The sign marking "Soft verges" warns drivers about the danger of losing traction off the paved road. This is important for drivers to understand because soft verges are often unpaved areas adjacent to the road that may be composed of loose soil, grass, or other soft materials. When a vehicle drives onto these areas, it may sink or lose grip, increasing the risk of getting stuck or having difficulty regaining stability and control. Being aware of this warning allows drivers to take precautions, such as avoiding driving too close to the edge of the road, especially under wet or poor weather conditions when traction is already compromised.

Other options mention various road conditions or terrain types, but none directly address the specific traction-related danger associated with soft verges.