Active Chain Laws & Restrictions
Chain Law
CO 119 Northbound / Southbound Boulder Canyon (Milemarker 26-41)
Chain Law
US 550 Northbound / Southbound Coal Bank Pass (Milemarker 50-60)
Chain Law
US 550 Northbound / Southbound Molas Pass (Milemarker 60-69)
Chain Law
US 550 Northbound / Southbound Red Mountain Pass (Milemarker 80-80)
Chain Law
US 6 Eastbound / Westbound Loveland Pass (Milemarker 220-229)
Chain Law
US 285 Northbound / Southbound Pine Jct-Conifer-Turkey Creek Cyn (Milemarker 229-250)
Chain Law
I-70 Eastbound / Westbound Idaho Springs-Genesee (Milemarker 241-250)
Chain Law
I-70 Eastbound / Westbound Mount Vernon Canyon (Milemarker 259-250)
Chain Law
Commercial Vehicles operating on I-70 in either direction between mileposts 133 (Dotsero) and 259 (Morrison) from Sept. 1 to May 31 must carry sufficient chains at all times to be in compliance with the Colorado chain law.
Dotsero
During an incident or severe weather event, CDOT may allow additional emergency parking at various locations west of milepost 133. There is no truck parking east of Milepost 133 or in the Vail Valley. Trucks waiting out a chain law or Vail Pass closure should not proceed past Dotsero - exit 133.
Exit 133 West lot 65 spaces.
Exit 133 Eastbound Frontage Road Shoulder 40 spaces 2.5 miles east from off-ramp. Return to I-70 at Gypsum exit 140.
Fine
Statewide, the fine for not chaining up when the chain law is in effect is $500 plus a $79 surcharge.
The fine for not chaining up and subsequently blocking the highway is $1000 plus a $157 surcharge.
Useful Links
Entire Law Text
Chain Alternatives
Chain
Assistance Program
CSP Chain
Up Tips
Chain
Up Video
Hazardous Materials Routes
Permits
Highway
Profiles
Intrastate USDOT Numbers
USDOT Truck Numbers
Oversize/Overweight Restrictions
I-70
Truck Parking Guide
Rest Areas (Map)
CDOT Maintained Park n Rides (Map)