Tire tread design is both the geometric shape of the tread pattern and compound of the tire. Dry pavement favors a slick tread pattern to maximize contact patch and minimize tire squirm. Wet tread patterns come in two forms; wet surface and standing water. Wet surface is used when the road is only wetted with no puddles of water. Standing water requires deeper grooves in the tire tread with a much lower temperature compound that will overheat the tires when there is not enough water on the track to cool them.
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