2015 New Hampshire Revised Statutes
Title XXI - MOTOR VEHICLES
Chapter 266 - EQUIPMENT OF VEHICLES
Section 266:51 - Method of Measuring Tread Depth.
266:51 Method of Measuring Tread Depth. Tire tread depth shall be measured by a tread depth gauge which shall be of a type calibrated in thirty-seconds of an inch. Readings shall be taken in a major tread groove of the tire nearest the center at 2 points of the circumference not closer than 15 inches. Readings for a tire which has the tread design running across the tire or for a siped tire, where such tread design is permitted, shall be taken at or near the center of the tire at 2 points of the circumference not closer than 15 inches.
Source. RSA 263:87. 1965, 299:1. 1981, 146:1, eff. Jan. 1, 1982.
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