Archived Project Sites

State Highway 88 (Arapahoe Rd) and I-25 Interchange

In August 2009, CDOT will begin a safety and capacity improvement project on Arapahoe Road between Yosemite Street and Boston/Clinton Street. The project will add an additional through lane in each direction underneath the structure by utilizing the existing on-ramp roadway.

US 550 Bear Creek Bridge

American Civil Constructors, Inc. (ACC), contractor for the Colorado Department of Transportation (CDOT), began a project to reconstruct the Bear Creek Bridge on Monday, July 26, 2010. The new design includes a wider bridge and an adjacent pedestrian overlook so visitors can appreciate the 200-foot drop below and take in the beauty of the dramatic waterfall. This project is suspended for the winter and will resume Spring 2011.

I-70 Exit 26 Grand Junction DDI

The City of Grand Junction and the Colorado Department of Transportation are partnering on projects to improve safety and traffic flow on US 6 at 22 Road, and to design and build a Diverging Diamond Interchange at Exit 26 on Interstate 70.

C-470 Revised Environmental Assessment

The C-470 Environmental Assessment Document was signed by the Federal Highway Administration and the Colorado Department of Transportation in July 2015. Keywords: Studies, State Highways

Southwestern Colorado Rumble Strip Installation

of Transportation and Surface Preparation Technologies (SPT) will be constructing rumble strips along sections of fourteen highways in southwest and southcentral Colorado. The project will include centerline mill work for rumble strips and pavement markings in twelve counties: Alamosa, Archuleta, Conejos, Costillo, Dolores, Huerfano, Montrose, Montezuma, Rio Grande, San Miguel, La Plata, and Saguache. A total of 268 miles of roadway will be improved with the centerline rumble strips along segments of the following highways: Colorado Highways 90, 97, 141, 184, 172, 151, 114, 15, 136, 368, 370, and 150; and US Highways 160 and 550.

120th Avenue Connection

The Colorado Department of Transportation, in partnership with the City and County of Broomfield, proposes to extend 120th Avenue from Wadsworth Parkway, across U.S. 36 to approximately 120th Avenue and Teller Street, including an intersection with U.S. 287. Keywords:State Highways, Construction Complete, CO Highwa