Chain Law US 285 Turkey Creek Canyon to Park County Line both directions, all CMV must chain up. Chains, snow tires, or 4WD-AWD all passenger vehicles.
Chain law lifted for all CMV Hwy 285 both directions mm 229-250; traction law remains in effect for all passenger vehicles.
I-70 Eastbound / Westbound Mt Vernon Canyon to Eisenhower Tunnel (Milemarker 259-215)
Passenger vehicles are required to have snow tires, use chains or alternative traction devices, or be a 4-Wheel- or All-Wheel-Drive vehicle. Restriction began January 31st, 2016 at 4:24pm.