Drilling operations set for locations on two highways in southwest Colorado next week

Travel Advisory

November 23, 2021 - Southwestern Colorado - Motorists to encounter delays on CO 112 north of Del Norte and US 550 north of Ridgway

SOUTHWEST COLORADO ― The Colorado Department of Transportation will perform core and soil drilling operations next week at two highway locations in southwest Colorado. The drilling is required to test soil and rock composition at future highway improvement project sites. Drilling activity will occur, weather permitting.

CO Highway 112 ― Monday & Tuesday (Nov. 29 & 30), 8 a.m. - 4:30 p.m.

Drilling will take place at various locations on CO 112 from Del Norte, at the intersection of US 160 (MP 0) northeast to Center and the intersection of US 285 (MP 13).

CO 112 Del Norte Map

US Highway 550 ― Tuesday - Friday (Nov. 30 - Dec. 3), 8 a.m. - 4:30 p.m.

Drilling will take place on US 550 near the Billy Creek State Wildlife Area, approximately 10 miles north of Ridgway and 10 miles south of Montrose, (between MPs 113-116).

us 550 Drilling Map

Traffic Impacts

On the days of drilling activity, motorists will encounter full stops, lane shifts and one-lane alternating traffic guided by flagging personnel. Travelers can expect up to 15 minute delays and should allow themselves extra travel time. A speed reduction of 40 MPH will be in place and drivers should slow down and use extreme caution when approaching and driving through the work zone. Drivers are urged to be aware of work crews and heavy equipment.

Know Before You Go

Travelers are urged to “know before you go.” Gather information about weather forecasts, anticipated travel impacts, and current road conditions prior to hitting the road. CDOT resources include: