US 285 in both directions between MM 229 (Pine Junction) and MM 250 (near Lakewood).
US 285 Southbound / Northbound Kenosha Pass (Milemarker 200-228)[/li]
CO 9 in both directions between Alma Placer Sand and Gravel (Alma) and MM 80 (Hoosier Pass).
I-70 Westbound / Eastbound between Idaho Springs and Denver/C-470 (Milemarker 241-259)
I-70 Westbound / Eastbound between Silverthorne and Georgetown (Milemarker 205-228)
I-70 Westbound / Eastbound between Vail and Copper Mountain (Milemarker 178-195)
Passenger vehicles are required to have mud or snow tires or use chains or alternative traction devices or be a four wheel drive or all wheel drive vehicle.
Commercial vehicle chain law
US 285 between MM 229 (Pine Junction) and MM 250 (near Lakewood).
US 285 in both directions between MM 199 (Kenosha Pass) and Wandcrest Av (1 mile south of Pine Junction).
CO 9 SB between Riverpark Dr (Breckenridge) and County Road 4 (near Hoosier Pass).
I-70 Westbound / Eastbound Mt. Vernon Canyon (Milemarker 250-259)
I-70 Westbound / Eastbound Floyd Hill (Milemarker 241-250)
I-70 Westbound Georgetown to Eisenhower Tunnel (Milemarker 228-215)
I-70 Eastbound Silverthorne to Eisenhower Tunnel (Milemarker 205-213)
I-70 Eastbound Vail to Vail Pass Summit (Milemarker 178-190)
Chains or alternative traction devices required for all commercial motor vehicles including buses and vans of 16 or more passenger capacity. EB CMVs – There is no truck parking east of Milepost 133 or in Vail Valley. Trucks waiting out the chain law should not proceed past Dotsero – exit 133.
Full closure
US 6 in both directions between MM 220 and MM 229 (Loveland Pass). There is a full closure because of adverse weather.