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Difficulty: MediumHydroplaning and Wet Road Traction Loss

Is the following statement regarding wet road safety true or false?

Rapidly pumping the brake pedal is the recommended technique to regain control when a vehicle begins to hydroplane.

Answer: Answer

Answer

False. Drivers should ease off the accelerator and maintain a straight steering path rather than braking.
The statement is false. When hydroplaning occurs, braking of any kind—including rapidly pumping the brake pedal—can destabilize the vehicle and prolong traction loss. Proper recovery requires easing off the accelerator and keeping the steering wheel steady until tires regain contact with the pavement.

Step-by-Step Solution

1
Analyze the physical mechanics of hydroplaning.
Hydroplaning occurs when water pressure builds in front of the tires, forming a barrier that lifts the tread off the road surface.
Understanding how water separates tires from the pavement clarifies why standard braking actions fail.
2
Evaluate the impact of braking inputs during hydroplaning.
Braking reduces or halts wheel rotation, which prevents the tire tread channels from sweeping water away and forces the vehicle into an uncontrollable slide.
Braking forces applied to tires without road friction disrupt vehicle stability.
3
Identify the standard DMV hydroplaning recovery procedure.
The safest reaction is to gradually release the accelerator, avoid sudden steering maneuvers, and allow vehicle momentum to slow until tires regain pavement traction.
Decelerating smoothly without wheel lockup allows tires to sink through standing water and re-establish grip.

Key Concept

Hydroplaning Recovery and Traction Loss Response
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Topics

Hydroplaning and Wet Road Traction Loss

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