Section Trans 309.12 - Tires and wheels(1) Each tire shall have not less than 1/8 inch tread depth. The depth shall be measured at 2 points not less than 15 inches apart in any major tread groove at or near the center of the tire.(2) Wheels, tires and brake drum assemblies shall be in balance.(3) Snow tires with tungsten carbide studs, which shall not project more than one-eighth inch beyond the treads surface of the tire, may be installed on an ambulance from the 15th day of November each year through the 1st day of April of the following year.(4) Recapped tires may not be installed on any ambulance.(5) Tires shall be maintained in good working condition. Tires shall not have serious cuts, bulges, sidewall defects or exposed fabric or cords.(6) Radial and bias tires shall not be mounted on the same axle.(7) Wheels shall not have any cracks, unseated lock rings, loose, broken or missing lugs, studs or clamps, bent or cracked rims or elongated stud holes.(8) Tires shall not be loaded above the manufacturer's weight limits.Wis. Admin. Code Department of Transportation Trans 309.12
Cr. Register, October, 1986, No. 370, eff. 11-1-86; reprinted to restore dropped copy in (1), Register, April, 1997, No. 496; am. (1) and (2), Cr. (5), Register, February, 1999, No. 518, eff. 4-1-99.Amended by, CR 19-074: am. (3), (5), cr. (6) to (8) Register October 2020 No. 778, eff. 11-1-20; correction in (3) made under s. 35.17, Stats. Register October 2020 No. 778, eff. 11/1/2020