C-470 Trail Bridge over Acres Green

About the Project:

This project is a partnership between CDOT, the City of Lone Tree and Douglas County. It consists of building a Trail Bridge adjacent to westbound C-470 over Acres Green Drive and adding traffic signals to the Acres Green Drive and Parkway Drive intersection.

This is a multimodal infrastructure and safety improvement project.

Work Schedule:

  • Work is expected to begin in early February and last for one calendar year
  • Working hours are 7 a.m. to 7 p.m. Monday to Friday
  • Some weekend work is expected
  • All construction schedules are weather dependent and subject to change

Traffic Impacts:

  • No impacts are expected on mainline westbound C-470 during the project’s duration
  • Intermittent lane closures and/or full closures will be in place on Acres Green Drive during safety critical work
  • Detour signage with short delays can be expected during these closures
  • Access to the C-470 Trail will be closed during certain times, with trail detours in place
  • Construction signs, cones and devices will be present 24/7 alerting motorists, pedestrians and cyclists to the closures and restrictions

Project Facts

  • Cost: Pending
  • Contractor:  HEI Civil
  • Timeline: January 2023 - January 2024
  • Location: Adjacent to westbound C-470 over Acres Green Drive, between Yosemite and Quebec

Lone Tree Acres Green Map

(Click image to enlarge)