Rule 4. Studs or other traction devices shall not be used unless they wear either concrete or asphalt pavements, typical of those in this state, at a rate not to exceed 25% of the reference standard studded tire.
Mich. Admin. Code R. 247.174
Rule 4. Studs or other traction devices shall not be used unless they wear either concrete or asphalt pavements, typical of those in this state, at a rate not to exceed 25% of the reference standard studded tire.
Mich. Admin. Code R. 247.174