The adhesion between the tire and the road surface depends on:
From the inflation of the tire, the depth of its tread pattern and the type of surface of the carriageway of the road .
From the inflation of the tire and the depth of its tread pattern . The appearance of the surface of the carriageway does not significantly affect adhesion .
From the type of the surface of the carriageway of the road . Inflation and the depth of the tire tread pattern do not significantly affect adhesion .