New Hampshire Code of Administrative Rules
Saf - Department of Safety
Subtitle Saf-C - Commissioner, Department of Safety
Chapter Saf-C 3200 - OFFICIAL MOTOR VEHICLE INSPECTION REQUIREMENTS
Part Saf-C 3234 - MOTORCYCLE WHEELS AND TIRES
Section Saf-C 3234.04 - Tread Depth
Current through Register No. 40, October 3, 2024
(a) A tread depth measuring gauge shall be used to measure tread depth. Readings shall be taken in the major tread groove nearest to the center of the tire at 2 points along the circumference of the tire, not closer than 15 inches.
(b) If a tire has the tread design running across the tire or is a siped tire, readings shall be taken at or near the center of the tire at 2 points along the circumference of the tire, not closer than 15 inches.
(c) Pursuant to RSA 266:51, a motorcycle shall be rejected if the tread depth is less than 2/32 inch at both points where tread depth measurements were made.
(See Revision Notes at chapter heading Saf-C 3200) #8915, eff 6-22-07