Alabama
Studded tires are permitted at all times with rubber studs. Metal studs are permitted only during bad weather.
Studded Tires
Alaska
Studded tires are permitted, but with rubber studs and only in the following locations and times: September 16 to April 30 north of 60 degrees N; October 1 to April 14, south of 60 degrees N.
California
Studded tires are permitted November 1 to April 30 and if retracted, May 1 to October 31.
Idaho
Studded tires are permitted October 1 to April 30. Fire departments and firefighting agencies are exempt. Other exemptions may be granted by the Idaho Transportation Board.
Illinois
Studded tire use is not permitted for most drivers. Rural mail carriers and persons with disabilities living in unincorporated areas may use them between November 15 and April 1.
Maryland
Studded tires are not permitted, except in Allegany, Carroll, Frederick, Garrett, and Washington Counties from November 1 to March 31.
Massachusetts
Studded tires are permitted November 2 to April 30 unless otherwise authorized by Registrar.
Minnesota
Studded tires are not permitted, except for nonresidents, who may use them for 30 days. Full-time non-resident students and nonresidents employed within Minnesota are not permitted use of studded tires regardless of vehicle registry.
Rural mail carriers may use studded tires under certain conditions between November 1 and April 15.
North Dakota
Studded tires are permitted October 15 to April 15. School buses may use studded tires anytime during the year.
South Carolina
Studded tires are permitted if they do not project more than 1/16 inch when compressed.
South Dakota
Studded tires are permitted October 1 to April 30. Studded tires are permitted May 1 to September 30 if retracted. School buses and municipal fire vehicles permitted to use studs anytime.
Wisconsin
Studded tires are not permitted, except for authorized emergency vehicles, vehicles used to deliver mail, school buses from November 15 to April 1, and automobiles with out-of-state registration (only if in the course of passing through the state for a period of not more than 30 days).
Nunavut
Studded tires are permitted on roads built on ice, on seasonal roads (a road that can be used for only a portion of a year), or on roads maintained by private individuals or companies.
Quebec
Studded tires may be used, from October 15 to May 1, on any commercial vehicle with a loaded mass not exceeding 3,000 kg; any passenger vehicle and taxi, provided that such a vehicle has studded tires on both ends of an axle and, where it has studded tires on the front axle, such tires are also installed on the rear axle.