Conflict warning systems installation project to begin in the Denver metro area

Project Announcement

March 23, 2026 - Denver Metro/Central Colorado - Motorists should expect shoulder closures and single lane closures starting March 23

Douglas & Jefferson Counties — The Colorado Department of Transportation and contract partner Sturgeon Electric will be starting work to install conflict warning systems at intersections in multiple locations in Douglas and Jefferson counties on Colorado Highway 74, Colorado Highway 83, and Colorado Highway 86 starting March 23.

Highway conflict warning systems use sensors and flashing lights and signs to alert drivers to potential collisions at dangerous intersections, especially those with poor sightlines or high crash rates. Installing these traffic warning systems will help to significantly reduce crashes in these rural areas.

Locations include:

  • CO 83 and Gillian Avenue intersection between Mile Point 37 and MP 38
  • CO 83 and Russellville Road intersection between MP 41 and MP 40
  • CO 86 and the Deerfield Road intersection at MP 11
  • CO 74 and Kerr Gulch intersection at MP 1

Work will begin at the Gillian Avenue and Russellville Road locations, and will then move to the Deerfield location next, followed by the Kerr Gulch. Work is expected to be complete early summer 2026.

Traffic Impacts

Motorists should expect the following impacts during normal working hours, which are 8 a.m. to 4 p.m., Monday through Friday:

  • Single lane closures will be in place at the intersections of CO 83 and Gillian Avenue as well as CO 83 and Russellville Road
  • Minimal delays are anticipated
  • Shoulder closures will occur at the intersections of CO 86 and Deerfield Road and CO 74 and Kerr Gulch
  • Speeds will be reduced through the work zones. Motorists are urged to drive with caution, heed all signs and leave plenty of following distance when traveling through the area
Map showing project locations at CO 86 at Deerfield Road intersection MP 11, CO 83 at Russellville Road intersection MP 40 to MP 41 and CO 83 at Gillian Ave intersection MP 37 to MP 38
Map showing the project locations on CO 86 at MP 11 at the intersection of Deerfield Road, CO 83 from MP 41 to MP 40 at the intersection of Russellville Road and CO 83 from MP 37 to MP 38 at the intersection of Gillian Avenue.

Map showing project locations at CO 74 at Kerr Gulch intersection Mile Point 1
Map showing the project location on CO 74 at MP 1 at the intersection of Kerr Gulch.

Project Information

For additional information about this project:

Know Before You Go

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

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!

Download the COtrip App!

The new free COtrip Planner mobile app was designed to meet the growing trend of information on mobile and tablet devices for the traveling public. The COtrip Planner app provides statewide, real-time traffic information, and works on mobile devices that operate on the iOS and Android platforms. Visit the Google Play Store (Android devices) or the Apple Store (iOS devices) to download!