In observance of the Thanksgiving holiday, all Douglas County Government offices will be closed Thursday, Nov. 27, and Friday, Nov. 28, 2025. Offices will reopen on Monday, Dec. 1, for normal business. Many County services are available 24/7 by visiting online services.
Planning/DesignUnder Construction

The 2025 Construction season has started in and around Highlands Ranch! For more information about specific project locations, please read the “Description” section below.
Having a reliable roadway network is essential. Douglas County assures the existing transportation infrastructures in Highlands Ranch are maintained and preserved through the following improvement programs: Capital Improvements, Drainage, Street Paving, Sidewalk Repairs, Traffic Operations (signals, signings, and markings); Intelligent Transportation Systems (ITS)/Traffic Management Center (TMC); and Bicycle, Pedestrian, and Trails.
Currently, the following construction projects are located within (or immediately surrounding) Highlands Ranch – please click on their links below for further information:
Broadway and Highlands Ranch Parkway Intersection
C-470 Trail & University Blvd Pedestrian Grade Separation Improvements
County Line Road Widening & Reconstruction (University to Broadway)
County Line Road / Inverness Improvement Project
Highlands Ranch Drainage Projects
Highlands Ranch Neighborhood Improvements for Sidewalk & Paving (2025)
US 85 Widening Project from Highlands Ranch Parkway to C-470