Montana Studded Tires Laws (2026)

Conditional: Studded tires are legal in Montana only from October 1 through May 31.

ConditionalVerified Jul 22, 2026

Vehicle rules change at the state line.Track them in the free LawLert iPhone app and get an alert when you cross into a state where they differ. No account.Get the app

Studded tires are legal in Montana only from October 1 through May 31. Studs may protrude no more than 1/16 inch. See Mont. Code Ann. 61-9-406.

Official source: leg.mt.gov →

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

Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free app

Track this law — get alerted when it changes

We watch the official sources behind Montana vehicle rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.