The flood-damaged highway in Coal Creek Canyon northwest of Denver is reopening.
Gov. John Hickenlooper is expected to be on hand when Colorado Highway 72 formally reopens Monday.
Damage from the September floods forced the state to close the highway from the junction with Colorado 93 outside Westminster to the junction with Colorado 119 near Nederland.
The floods killed nine people, damaged or destroyed nearly 2,000 homes and washed out hundreds of miles of roads.
U.S. 36 between Lyons and Estes Park is also open after temporary repairs for flood damage.