Alert

By order of Sheriff Darren Weekly, Stage 1 Fire Restrictions are in place for unincorporated areas of Douglas County.  Ordinance No. O-012-004 restricts open fires, open burning, and the use of fireworks in the unincorporated areas of Douglas County.

Alert

In observance of Christmas, all Douglas County offices will close at noon on Wednesday, Dec. 24, and will be closed for the entire day on Thursday, Dec. 25, 2025. Offices will reopen at 8 a.m. on Friday, Dec. 26, for normal business. Many County services are available 24/7 by visiting online services.

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Public Works

Traffic Signal Installations / Modifications

Our goal for all new traffic signals and traffic signal modifications is to improve safety and efficiency for all users.  Every new traffic signal must meet strict standards and specifications, and staff ensures rigorous testing prior to operating any new traffic signal.

Unrecognizable utilities worker repairs a traffic signal, light using a bucket lift at a road intersection in USA. Clear blue sky. One man wearing safety vest.

Below you will find information about Traffic Signal Projects in Douglas County...

Traffic Project Managers: Jason Oldham, Danny Montoya, and Robert Farrell

PH: (303) 660-7490 or [email protected]

 

Planned Traffic Signal Projects

  • Kendrick Castillo Way & Plum Valley Lane – New traffic signal (2025/2026).
  • County Line Road & South Clarkson Street – Lane widening and new traffic signal (2026).
  • County Line Road & Target @ 1900 East County Line – Lane widening and replace traffic signal (2026).
  • Pine Drive & Pine Lane – Lane widening and new traffic signal (2026).
  • Pine Drive & Ponderosa Lane – Lane widening and new traffic signal (2026).
  • Crowfoot Valley Road & Macanta Boulevard – New traffic signal (temporary span wire until roadway is widened) (2026).
  • Town Center Drive & SSG Chris Falkel Drive – New traffic signal (2026).
  • University Boulevard & Post Office (9611) – Replacement (2026).
  • University Boulevard & Cresthill Lane – Replacement (2026).
  • County Line Road & Inverness Parkway – Replacement (2026).
  • Inverness Drive West & Inverness Drive East – Replacement (2026).
  • Hess Road & Havana Street (Castle Pines) – New traffic signal.
  • Broadway & Highlands Ranch Parkway – Intersection improvements and replace traffic signal.
  • Quebec Street & Park Meadows Drive – Replacement.
  • Happy Canyon Road & I-25 Northbound Ramp (Castle Pines) – New traffic signal.
  • Happy Canyon Road & I-25 Southbound Ramp (Castle Pines) – New traffic signal.
  • Havana Road & Havana Street (Castle Pines) – New traffic signal.

Completed Traffic Signal Projects

  • US85 & C470 Eastbound and Westbound Ramps (CDOT) – Lane widening and replace traffic signals (2025).
  • US85 & Town Center Drive (CDOT) – Lane widening and replace traffic signal (2025).
  • US85 & Highlands Ranch Parkway (CDOT) – Lane widening and replace traffic signal (2025).
  • Hess Road & Tammy Lane (Parker) – New traffic signal (2025).
  • Lincoln Avenue & Villagecreek Parkway (Parker) – New traffic signal (2025).
  • Quebec Street & Lincoln Avenue/University Boulevard – Intersection improvements and replace traffic signal (2024).
  • US 85 & Daniels Park Road (CDOT) – New traffic signal (2024).
  • Fairview Parkway & Grace Boulevard– New traffic signal (2023).
  • Peoria Street & Liberty Boulevard (Developer) – New traffic signal (2023).
  • Meridian Boulevard & Havana Street (Rebuild) – Intersection improvements and replace traffic signal (2023).
  • Meridian Boulevard & Maroon Circle (Rebuild) – Intersection improvements and replace traffic signal (2023).
  • Jamaica Street & Inverness Parkway – (Developer) New traffic signal (2022).
  • Broadway & Plaza Drive – Replace traffic signal (2022).
  • County Line Road & Yosemite Street (Lone Tree) – Replace traffic signal (2022).

Who builds the traffic signals for Douglas County?

Traffic signal contractors build and modify traffic signals in Douglas County on behalf of private developers, metropolitan districts, Cities, Towns, and for Douglas County.

Who owns and operates the traffic signals in Douglas County?

  • Traffic signals within the unincorporated areas of the County are owned and operated by the County.
  • Traffic signals within the incorporated areas (Cities and Towns) within Douglas County are owned and operated by those specific Cities and Towns (for example, Town of Parker or City of Lone Tree).
  • Now and then, the County is a financial partner for traffic signals within jurisdictional boundaries and on State Highways.