CO 340 Redlands Roundabout

Project Facts

  • Cost: $5 million
  • Contractor(s): Elam Construction
  • Location: On CO 340 from mile point (MP) 8.5 to MP 9.63 in Mesa County, west of Grand Junction

Work this Week
March 19-26

  • Work: Crews will complete drainage pipe and embankment operations, and replace sidewalks.
  • Hours: 12-hour shifts Monday through Friday
  • Impacts: Expect an eastbound right-turn-lane closure at CO 340 and Redlands Parkway, with eastbound and westbound lane shifts. Flaggers will be present. Motorists may still turn right at the intersection.

Crews on this project are converting the existing Colorado Highway 340 (Broadway) and Redlands Parkway intersection into a roundabout. The team also will resurface the roadway, reconstruct pavement, improve guardrail and drainage, stripe, and upgrade sidewalks to comply with the Americans With Disabilities Act (ADA).


From 2010 to 2015, there were 28 at this intersection, the vast majority of which were left-turning, rear-vehicle collisons. Improving the safety of the CO 340 and Redlands Parkway intersection is CDOT's top goal, in addition to enhancing aesthetics of the intersection and addressing future projected traffic volumes.

Because roundabouts are so effective at reducing these types of accidents, CDOT can improve the safety at the intersection by constructing a roundabout.


  • Phase 1: Mile point (MP) 8.5 to MP 9.63.
  • Hours: 12 hours a day, Monday through Friday
  • Anticipated Completion: November 2018

Phase 1 Overview

Work includes removing the raised median, installing a temporary roundabout and detour pavement, and making storm sewer improvements.

Contact Us

If you have any questions or concerns, or if you would like to be added to our Public Outreach contact list and receive construction updates, please contact us at the phone number or email address below:

Phone: (970) 456-1361
Email: [email protected]


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