Wisconsin Studded Tires Laws (2026)

Restricted: Wisconsin prohibits studded tires for residents.

RestrictedVerified Jun 20, 2026

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Wisconsin prohibits studded tires for residents. They're allowed only on emergency, school, and mail vehicles, and on out-of-state cars passing through for no more than 30 days. See Wis. Stat. 347.45.

Official source: docs.legis.wisconsin.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Studded Tires in states bordering Wisconsin

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

IllinoisRestricted
Illinois prohibits studded tires. They're allowed from November 15 through April 1 only for rural mail carriers or disabled-plate owners in unincorporated areas. See 625 ILCS 5/12-405.
Verified Jun 20, 2026 · Source: ilga.gov · Full Illinois rule →
IowaConditional
Studded tires are legal in Iowa only from November 1 through April 1, with studs no more than 1/16 inch. The rest of the year they're prohibited, except on school buses and fire trucks. See Iowa Code 321.442.
Verified Jun 20, 2026 · Source: legis.iowa.gov · Full Iowa rule →
MichiganConditional
Michigan allows tire studs only if they're approved by the Michigan Department of Transportation (MDOT) for pavement wear — and none qualify. The season is November 15 through April 1, or October 1 through May 1 in the Upper Peninsula and the northern Lower Peninsula. See MCL 257.710 and Michigan State Police guidance.
Verified Jun 20, 2026 · Source: michigan.gov · Full Michigan rule →
MinnesotaRestricted
Minnesota prohibits studded tires for residents. The only limited exceptions are for those from out of state and for rural mail carriers with a permit. See Minn. Stat. 169.72.
Verified Jun 20, 2026 · Source: revisor.mn.gov · Full Minnesota rule →

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