The law , signed by Gov. Polis in May 2019, said vehicles need to either have snow tires or carry some sort of traction device (like chains or tire socks) at all times if they’re not four-wheel drive or all-wheel drive. The rule applies to the stretch of I-70 between Dotsero and Morrison, and it’s in effect from Sept.
There are two main laws that apply to drivers in Colorado. Traction laws often are in effect when there is winter weather. Under that law, no chains are needed if drivers have snow tires, four-wheel drive or all-wheel drive if there are 1/8 inch tread on tires. Under that, all vehicles need chains .
4 tire chains
Chain laws are in effect for Vail Pass . Travel will be difficult especially over mountain passes . Expect snow covered roads and limited visibilities, and use caution while driving.
Chain Law Traction Bill, effective Aug. 2, 2019.
Note: premium chains and those for limited clearance or large vehicles can be significantly more. Snow Chains vs . Snow Socks.
|Snow Socks||Snow Chains|
|Strengths||Light & thin (fit limited clearance vehicles) Foldable (to a smaller size) Cheaper (sometimes)||Best for traction Harder wearing Fit without moving the vehicle*1|
Front-wheel-drive vehicles must put snow chains on their front tires , and rear-wheel-drive vehicles must put them on their rear axle. Ideally, you should put tire chains on all four tires for all types of vehicles. By using four tire chains , you’ll be able to obtain the best possible traction and balance.
New in 2019, between September 1st to May 31st of each year, all drivers on I -70 between Morrison, just west of Denver, and Dotsero which is about an hour past Vail , will be required to adhere to the traction law requiring vehicles to have either four-wheel drive or all-wheel drive , snow tires, or tires with the mud/
AutoSock is the first product worldwide to be certified according to new European standard EN16662-1:2020. Following EU procedures, the standard has been implemented as national standard in all EU member states, as well as in Norway, Switzerland, Serbia and Turkey.
From the Colorado Department of Transportation: Chain Law Level 1/Code 17 All single drive axle combination commercial vehicles must chain all four drive wheels; cables are not permitted as ATDs. All other commercial vehicles must have snow tires or chains .
But when we called the rental car agencies at Denver International Airport, none could guarantee the availability of a vehicle with four- or all-wheel drive. Installing chains would bring you in compliance with the law, but rental car companies don’t allow them.
Carry Chains In These 11 States This Winter 1. California . The California Department of Transportation requires that you have chains when there are snowstorms in the mountains. Colorado . Idaho. Montana. Nevada. New Mexico. Oregon. South Dakota.
Snow socks (also known as tire socks or auto socks ) are textile devices that wrap around the tires of a vehicle in order to increase traction on snow and ice. They are normally composed of a woven fabric with an elastomer attached to the inner edge.
Right Conditions Tire chains for cars should only be used if there is a layer of snow or ice on the road. Using chains on bare pavement can cause substantial damage to both your tires and the road itself. If you turn onto a road that’s clearly been plowed and salted, pull over and remove the chains .