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Here are a few expert tips to prevent hydroplaning, and what to do when you hydroplane on the road. Hydroplaning in WA can be scary. How to prevent it, plus tips for driving in the rain
What to know about hydroplaning, including what it feels like, how to prevent it and what to do if it happens to you.
A diagram of an aquaplaning tire Two vehicles aquaplaning through large puddles on the road's surface. Aquaplaning or hydroplaning by the tires of a road vehicle, aircraft or other wheeled vehicle occurs when a layer of water builds between the wheels of the vehicle and the road surface, leading to a loss of traction that prevents the vehicle from responding to control inputs.
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During fishtailing, [2] the rear end of the car skids to one side, which must be offset by the driver counter-steering, which is turning the front wheels in the same direction as the skid, (e.g. left if the rear swings left) [1] and reducing engine power.
Most road design manuals require drainage gradient to exceed 0.5%, in order to drain water and prevent excessive skid accidents. [1]One exception to the minimum 0.5% DG limit can be found in the Norwegian road design manual, where the minimum drainage gradient is 2% instead of 0.5%.
Hydroplaning is primarily caused by three factors: 1. Vehicle speed — When a vehicle’s speed increases, the tire-traction grip and ability to control the vehicle decreases.
The grooves in the rubber are designed to allow water to be expelled from beneath the tire and prevent hydroplaning. The proportion of rubber to air space on the road surface directly affects its traction. Design of tire tread has an effect upon noise generated, especially at freeway speeds. [1]