On a wet slippery road, where is it usually most slippery?

On a wet, slippery road, the center portion of the lane is typically the most slippery area. This is primarily because water tends to flow to the sides of the road, causing contaminants such as oil, dirt, and debris to accumulate in the center. When it rains, these substances can mix with water, creating a slick surface that significantly reduces traction. Additionally, vehicles tend to push some of the water towards the edges of the lane as they drive, increasing the amount of water and sludge build-up in the center.

While other areas of the road may also present hazards—like edges where water pools or puddles that can hide deeper sections—a general rule of thumb for motorcyclists is to be particularly cautious in the middle of the lane when the road is wet. Understanding this can help riders make more informed decisions to improve their safety in adverse conditions.