If you are riding over rain grooves or bridge gratings and your motorcycle begins to weave, you should:

A motorcycle may weave while riding over rain grooves or bridge gratings, but this is generally not dangerous. If your motorcycle begins to weave, simply relax and proceed straight ahead at a steady speed. Trying to ride in a zigzag pattern to compensate for the weave will only increase the hazard.

• Brake suddenly.
• Steer in a weaving pattern.
• Relax, maintain a steady speed, and ride straight across the grooves.
• Move to the leftmost portion of the lane.