Expect delays on Highway 285 north and south of Fairplay.
The Colorado Department of Transportation 20-mile project includes resurfacing on the highway and the addition of passing lanes south of Fairplay.
Motorists can expect significant delays with a reduced 40 mile per hour speed limit and alternating one-lane traffic.
The project is to completed by November.
Work on the $4 million improvement project will continue through October.
The Colorado Department of Transportation also continues construction on Highway 50 through Howard. The project includes the installation of slow-vehicle turnouts and passing lanes in both directions.
The Eastbound lane is closed for a five mile stretch with shoulder closures along the same stretch. Work on the $4 million improvement project will continue through October.