What does a sign warning of a "Slippery road" advise drivers to do?

A sign warning of a "Slippery road" advises drivers to proceed with caution and reduce speed because it indicates that the road surface may be prone to losing traction. Slippery conditions can arise from various factors such as rain, ice, or oil on the roadway.

By slowing down, drivers can enhance their control over the vehicle and improve their reaction time in case of sudden hazards. Reducing speed allows for safer maneuvering and increases the likelihood of maintaining control while negotiating turns, braking, or encountering other vehicles.

Choosing to ignore the warning or drive faster goes against the very purpose of the sign, which is aimed at preventing accidents and ensuring safer driving conditions. Thus, it is critical to heed this warning and adjust driving behaviors accordingly.