Adequate Tires

Adequate tires are critically important to navigating the I-70 mountain Corridor!  Check your tread with the simple quarter test: Insert a quarter into the tire tread upside down, with Washington's head going in first; if the top of George's head is covered by the tread, your tires are OK. (Do this test in multiple points around each tire.) If the top of his head is visible at any point, you need new tires.


Know the Colorado Traction and Chain Laws.  

These laws apply to passenger vehicles.  Details are at the CDOT WinterWise page



The AutoSock is an easy-to-install traction device that meets the requirements of the Colorado Chain Law. Click here to find out where to find them!



Renting a Car?  

Ask the rental car company if the car’s tires meet the Colorado Traction Law.  Better yet, perform the quarter test yourself.  If you get a ticket for a violation, you are responsible for paying it, not the rental car company!

Consider leaving the driving to the experts!  
All your options for getting to and around the mountains are at

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