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Public Works

C-470 multi-modal trail grade separation at Yosemite

Roadway

Budget

Estimated Total Project Cost = $7 Million

Project Manager

Neil Sarno
 [email protected]

720-386-3803

Contractor

Zak Dirt

Partners

  • City of Lone Tree
  • Colorado Department of Transportation
  • DRCOG
  • Park Meadows Metro District

Project Update

Detour Map
Updated Rendering of Project – see below in Photos

Traffic Impacts – updated June 2022

Update: In June 2022, Phase 1 construction has advanced with mechanically reinforced wall construction (for several walls) on both the east and west sides of Yosemite, abutment pours, and other construction-related activities.

On westbound C-470 from Yosemite Street, a portion of the left lane of the ramp will be closed daily (Monday – Thursday) from 8:30 a.m. to 3:30 p.m., and on Fridays from 8:30 a.m. to 2 p.m. Additionally, the right lane of northbound Yosemite Street, just before Park Meadows Center Drive, will have intermittent closures during these days/times.

This project will continue through November 2022.

  • During construction, the existing trail access will be closed. Pedestrians and cyclists will be detoured via Yosemite Street, Parkway Drive, and ultimately rejoin the C-470 Trail from both east and west directions (see detour map above).
  • Motorists can expect intermittent single-lane traffic with flaggers assisting motorists through the work zone.
  • Normal work hours will be Monday through Thursday, 7  a.m. – 5 p.m., and Fridays, 7 a.m. – 2 p.m. Occasional brief closures will be scheduled to allow crews safe passage through the work zone.
  • During the bridge construction, full lane, and ramp closures will be necessary.

Description

A new Douglas County trail improvement project began on Dec. 13, 2021. Designed to improve safety along the trail, the project includes the installation of a pedestrian bridge with the extension of a multi-use trail/sidewalk on the north side of S. Yosemite Street and the C-470 off-ramp.

The current trail requires pedestrians and cyclists to cross at the busy intersection of Yosemite and C-470. With the construction of the new overpass, the trail will be rerouted over the intersection, creating a safer, more convenient connection for pedestrians and cyclists. Additionally, the new pedestrian bridge will improve mobility by reducing congestion and traffic delays on Yosemite Street related to C-470 trail users interfacing with motorists.

The total project is estimated at $7 million. The County was selected to receive $2 million in federal funds through the DRCOG project selection process, and the remaining project costs are Douglas County’s responsibility. The Park Meadows Metro District has agreed to contribute $100,000 towards the construction costs.

Download a Fact Sheet to share

Schedule

See “Project Update” section above OR Contact the Project (below)

Project Hotline: 720-386-3803
Project Email:  [email protected]

Expect delays. The project is expected to continue through November 2022.

Sign up to receive project information including lane closures by clicking here and choosing Road Work / Cone Zone information from the subscriber list.

Project Manager
Neil Sarno
[email protected]
303-660-7490

Project Photos