FIELD: transport.
SUBSTANCE: invention relates to automotive industry, particularly, to passenger car tire tread patters. Tire tread has grooves 2 directed in circle to confine sets of raised elements that make two edge rows. Edge rows have multiple transverse grooves of definite depth and confined by opposite walls. Multiple transverse grooves of one end row include at least one support block 5 extending from at least one wall to confine said groove. Every support block 5 has active surface 50 to contact with other surface in contact with soil surface. Tread features preset relationships for the sum of areas of active surfaces 50 at maximum length LM in crosswise direction of virtual convex surface surrounding all active surfaces of transverse groove. Besides, it has at least one fluid flow channel between every support block and groove bottom.
EFFECT: better operating performance on wet roads.
8 cl, 8 dwg
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