Rendering of the future roundabout at Happy Canyon Road and Lagae Road

Closure and roundabout construction at Lagae Road and Happy Canyon Road intersection begin Feb. 24

February 15, 2024 at 11:57 am

One of the City's 2024 Road Solutions projects is the construction of improvements to the intersection of Lagae Road and Happy Canyon Road. Project improvements will include:

    • A roundabout at the intersection of Lagae Road and Happy Canyon Road
    • Increased traffic efficiency
    • Improved safety

Construction of the roundabout is expected to be completed by July 2024.

This work will be completed as a part of an early action item for the eventual improvements to the I-25 and Happy Canyon Road bridge and interchange. The roundabout will tie into the eventual final construction of the bridge/interchange project.

Traffic Impacts
To complete construction as quickly as possible and to maintain safety for workers and the traveling public, a road closure will be in place during construction. Lagae Road, between Happy Canyon Road and Chase Lane, will be closed beginning Saturday, Feb. 24. A detour will be in place via Castle Pines Parkway to access I-25 or Happy Canyon Road. Please follow construction signage and drive safely. See the detour map for more information on the traffic detour route.


    • Feb. 24, 2024 - Construction and road closure begins
    • July 2024 - anticipated project completion

Visit the project webpage to learn more about the project.

Questions? Email