Passenger vehicle traction law
US 285 in both directions between Pine Valley Road (8 miles south of Aspen Park) and C-470 (Dakota Ridge) from Mile Point 229 to Mile Point 250.
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 northbound: Between Pine Valley Road (8 miles south of Aspen Park) and C-470 (Dakota Ridge) from Mile Point 229 to Mile Point 250. Chains or alternative traction devices required for all commercial motor vehicles including buses and vans of 16 or more passenger capacity.
Passenger vehicle traction law
I-70 in both directions between CO 103 (Idaho Springs) and C-470 (1 mile west of Golden) from Mile Point 241 to 259. Find updates at
co.c-tr.us/?type=event&id=CDOT-8060456170BOTH
