Alabama

Code of Alabama 1975

Alaska

Alaska statute section 28.35.155

DMV FAQ's about studded tires.   

Arizona

Arizona revised statutes
section 28-958 tire equipment restrictions. 

Need more info?
Visit ADOT's Winter Driving Tips. 

Arkansas

Arkansas Code Title 27 Transportation

California

California vehicle code
sections 27450 to 27503.

Need more information?

Visit Chain Requirements & FAQs.

Visit Winter Maintenance & Operations

Visit Caltrans Chain Chart including ATDs

Colorado

Colorado Department of Transportation 

Connecticut

General Statutes of Connecticut

Connecticut DMV FAQs.

Delaware

Delaware Motor Vehicles Code  

Florida

Florida motor vehicle statutes

Detail: 316.299 rough surfaced wheels prohibited.

Georgia

Georgia Driver Manual 2008 page 84

Georgia's Commercial Driver's Manual page 2-26

Hawaii

Hawaii motor vehicle statutes 291-33.

Idaho

Idaho motor vehicle statutes
49-948 restrictions as to tire equipment.

Illinois

See Illinois compiled motor vehicle statutes

section 12‑401. 

Indiana

Indiana Motor Vehicle code

Chapter 18 tires (IC 9-19-18). 

Search the Indiana State FAQs for tire chains and studs

Iowa

Iowa motor vehicle code

321.442 projections on wheels

Kansas

Kansas motor vehicle statutes

8-1742 restrictions as to tire equipment.

Kentucky

Kentucky revised motor vehicle statutes

190 chains and lugs on wheels.

Louisiana

Louisiana law

RS 32:362 restrictions as to tire equipment.  

Maine

Maine motor vehicle statutes

§1919 studded tires

§1917 tires and wheels.  

Maryland

Maryland Motor Vehicle Code, studded tire exceptions in section 22-405.2  

Massachusetts

Massachusetts Motor Vehicle Statutes section 16 offensive or illegal operation of motor vehicles.   

Michigan

Michigan Vehicle Code MCL 257.710

More Information for traction devices: MCL247.171- 247.175

Minnesota

Minnesota statute, Chapter 169 traffic regulations, 169.72 tire surface; metal studs.     

Mississippi

Mississippi code

§ 63-7-67

Missouri

Missouri revised statutes

§ 307.171 R.S.Mo (2004) §307.171.

Montana

Trucker's Handbook, page 7 

See Montana code annotated 2005

Title 61-9-406 motor vehicles

See snow tire options for more information

Nebraska

Nebraska Statute
Section 60-6,250

Nevada

Nevada Administrative Code (NAC) 484.230 - 484.245 on Traction Devices, Tire Chains and Snow Tires. 

Traction device requirements.  (DOT) Chains or snow tires are required when posted on signs

Studded snow tires legal from Oct. 1 to April 30. 

New Hampshire

New Hampshire statutes, chapter 266 equipment of motor vehicles, Section 266:50 Vehicle Tires.

New Jersey

New Jersey statutes,

Title 39 motor vehicles and traffic regulation. 

New Mexico

New Mexico statutory chapters 

§ 66-3-847.

New York

Laws of New York

Title 3, article 9 equipment of motor vehicles and motorcycles, § 375 equipment, 35 tires.

North Carolina

North Carolina general statutes, chapter 20 motor vehicles, article 3, §20‑122 restrictions as to tire equipment.

North Dakota

North Dakota Century Code

Title 39 motor vehicles, 39-21-40 

Ohio

Ohio revised vehicle code

Chapter 5589 offenses relating to highways

Oklahoma

Oklahoma Legislative Information System Statutes

§47-12-405.

Oregon

ODOT's minimum chain requirements.

Oregon Administrative Rule 734-017-0005

Pennsylvania

Pennsylvania Vehicle Code 75

§4525

Rhode Island

Rhode Island

Chapter 31-23
Section 31-23-20   

South Carolina

South Carolina code of laws,
Title 56 motor vehicles
Chapter 5
Article 35
Section 56-5-5040

South Dakota

South Dakota Codified Laws, Title 32 Motor Vehicles
Chapter 32-19

Tennessee

Tennessee Code,
55-9-106
Studded tires (a) No person shall use a tire on a vehicle moved on a highway which has on its periphery any block, stud, flange, cleat, or spike or any other protuberances of a material other than rubber which project beyond the tread of the traction surface of the tire, except as otherwise provided in this section. (b) A person may operate on a highway a vehicle equipped with a tire which has imbedded in it wire or other material for improving traction on snow and ice during the period of October 1 through April 15 of each year. Such a tire shall be so constructed that the percentage of wire or other material in contact with the roadway does not exceed, after the first one thousand (1,000) miles of use or operation of any such tire, the wire or other material in contact with the roadway shall not exceed twenty percent (20%) of the total tire area in contact with the roadway. The studded tires allowed by this subsection (b) shall not be used at any time on a vehicle with a maximum gross weight of more than none thousand pounds (9,000 lb..) , unless such a vehicle is a school bus or an emergency vehicle. (c) It is permissible to use tire chains of reasonable proportions on any vehicle when required for safety because of snow, ice, or other condition tending to cause a vehicle to skid.

Texas

Texas Statutes
Transportation Code,
Title 7 vehicles and traffic, chapter 547
§547.612. 

Utah

Utah Admin Code Rule R920-6 Snow Tire and Chain Requirements.

Vermont

Vermont Statutes, Title 23 Motor Vehicles, Chapter 13 Operation of Vehicles

Virginia

Chapter 10 Motor Vehicle & Equipment Safety
46.2-1044 

Washington

West Virginia

West Virginia code, and chapter 17c traffic regulations and laws of the road
Code § 17C-15-37

Wisconsin

WI Statute 347.45. Tire equipment.

WI Administrative Code on use of studded tires (Trans 306.01 Studded tires).

Wyoming

Wyoming Statute, Title 31 Motor Vehicles

Canadian Chain Laws

Alberta

Allowed when conditions warrant.

British Columbia

Vehicles in the mountains must be equipped with snow tires or chains from Nov 1 to Apr 30.

Manitoba

Permissible upon a motor vehicle where required for safety.

New Brunswick

May also be carried in the vehicle for use in ice and snow conditions.

Newfoundland

Required on drive wheels when there is snow or ice on the surface of the highway.

Nova Scotia

Permissible upon any vehicle when required for safety because of snow, ice or other conditions tending to cause a vehicle to slide or skid.

Prince Edward Island

Permissible to use tire chains.

Quebec

The Minister of Transport may authorize, under the conditions and for the period he determines, the use of certain types of non-skid devices for such road vehicles as he may designate.