New York Codes, Rules and Regulations
Title 15 - Department of Motor Vehicles
Chapter I - REGULATIONS OF THE COMMISSIONER
Subchapter D - Equipment
Part 51 - Tires
Section 51.6 - Method of measuring tread groove pattern depth

Current through Register Vol. 46, No. 12, March 20, 2024

Tire tread groove pattern depth shall be measured by a tread depth gauge of a type calibrated in thirty-seconds of an inch. Readings shall be taken in a major tread groove of the tire nearest to the center at two points of the circumference not closer than 15 inches. Readings for a tire which has a tread groove pattern running across the tire or for a siped tire, where such tread groove pattern is permitted, shall be taken at or near the center of the tire at two points of the circumference not closer than 15 inches.

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