What is a Tire Tread?

Tire tread is the lined or blocked pattern on the surface of a tire that provides traction for the tire. Often referred to as a caterpillar track, tread is found on the tire of any automobile. The tread pattern differs with different tires and different automobiles, but the use is the same. Found on the surfaces of the wheel that come in contact with the ground, tire tread is often patterned in lines or blocks, and can be up to many inches or centimeters deep. The tread allows rain, snow, mud, or any other element to pass through the tire without the automobile losing traction. The treads are cut deep to allow substances to pass through them without interfering with the motion of the wheels, and then pass back out. They are essential in preventing hydroplaning and from keeping some automobiles from getting stuck in snow or mud. Some tires, known as slicks, are made with little or no tread, and are used strictly for racing on dry surfaces. Regular street tires on standard vehicles are e ... more