Why is the tread on bicycle and car tyres is designed to allow water to escape from under the tyre on wet roads why is it important?

The tread on bicycle and car tires is designed to channel water away from the contact surface to prevent hydroplaning, which occurs when a layer of water builds up between the tire and the road, reducing traction. By allowing water to escape, the tread enhances grip on wet surfaces, improving handling and braking performance. This is crucial for safety, as it helps drivers maintain control and reduces the risk of accidents in rainy conditions. Additionally, effective water dispersion contributes to longer tire life by preventing uneven wear.