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Studded tires

Do I need to stud my winter tires?

When the temperatures drop, winter tires have better traction on snowy and icy roads than all-season tires, thanks to special tread compounds that stay flexible and grippy even in very cold weather. In some cases, grip and traction can be improved even more with studded tires. These tires feature metal studs that dig into snow or ice, and may improve acceleration and braking in these conditions.

Metal studs should only be installed in new tires that are molded for studs. And like all winter tires, studded tires should be used on all four wheels of a vehicle.

So which is better, studded tires or winter tires? It depends. According to Pemco Insurance, studies show that studded tires perform best on clear ice in temperatures around the freezing mark, while winter tires deliver the best handling and braking when the temperature is below freezing, on both wet and dry pavement.1

If you think you’d like to try out a set of studded tires, there are a few other things to take into consideration, number one being where you live. Metals studs are prohibited in 11 states -- Alabama, Florida, Hawaii, Illinois, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Texas, and Wisconsin (some of these states allow tires with rubber studs; Maryland allows studs only in certain counties). Only six states permit the use of studded tires without restriction: Colorado, Kentucky, New Hampshire, New Mexico, Vermont, and Wyoming. Most of the remaining states allow studded tires with date restrictions. For example, in Washington State where the TireBuyer offices are located, studded tires are permitted from November 1 – March 31. If you decide to use studded tires, be sure to follow your state’s law or risk paying a hefty fine. See the chart below for detailed studded tire laws for each state.

The second thing you need to know about studded tires is that they’re very hard on roads. The Washington State Department of Transportation claims that studded tires wear down pavement at a much higher rate than normal tires. Studded tires also cause rutting of roads, especially interstate highways, which can lead to safety problems like excessive spray, hydroplaning, and other steering problems. And there’s another potential safety issue – on roads that are simply wet and not icy or snow-covered, studded tires have been proven to have reduced stopping ability when compared to standard tires. 2 Snow tires can also be noisy, due to the metal studs making contact with the road.

So, to stud or not to stud comes down to a very personal decision based on where you live, where you’ll be driving, and what kind of weather you expect to encounter. If you’d like some help figuring out which kind of tires are best for your specific situation, our tire and wheel experts are ready to help – just give us a call at (866) 961-8668.

Map of studded tire permissions by state

Studded tire laws by state3

State Studded tire regulations
AL Rubber studs only
AK Permitted September 15 - April 30 north of 60 degrees N
October 1 - April 15 south of 60 degrees N
AZ Permitted October 1 - May 1
AR Permitted November 15 - April 15
CA Permitted November 1 - April 30
CO Permitted
CT Permitted November 15 - April 30
DE Permitted October 15 - April 15
DC Permitted only in snow and ice conditions
FL Rubber studs only
GA Permitted only in snow and ice conditions
HI Not permitted
ID Permitted October 1 - April 30
IL Not permitted
IN Permitted October 1 - May 1
IA Permitted November 1 - April 1
KS Permitted November 1 - April 1
KY Permitted
LA Rubber studs only
ME Permitted October 2 - April 30
MD Permitted only in western counties: Allegheny, Carroll, Frederick, Garrett and Washington, November 1 - March 31
MA Permitted November 2 - April 30
MI Not permitted
MN Not permitted
MS Not permitted
MO Permitted November 2 - March 31
MT Permitted October 1 - May 31
NE Permitted November 1 - April 1
NV Permitted October 1 - April 30
NH Permitted
NJ Permitted November 15 - April 1
NM Permitted
NY Permitted October 15 - May 1
NC Permitted if not projected more than 1/16 inch when compressed
ND Permitted October 15 - April 15
OH Permitted November 1 - April 15
OK Permitted November 1 - April 1
OR Permitted November 1 - March 31
PA Permitted November 1 - April 15
RI Rubber studs permitted November 15 - April 1 (only if not projected more than 1/16 inch)
SC Permitted if not projected more than 1/16 inch when compressed
SD Permitted October 1 - April 30
TN Permitted October 1 - April 15
TX Rubber studs only
UT Permitted October 15 - March 31
VT Permitted
VA Permitted October 15 - April 15
WA Permitted November 1 - March 31
WV Permitted November 1 - April 15
WI Not permitted
WY Permitted

1. Pemco Perspectives newsletter, Fall 2013 | back
2. Washington State Department of Transportation, Studded Tire Information | back
3. Rubber Manufacturer’s Association, 2013 studded snow tire regulations for passenger cars | back


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