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Confluence Area Multi-Use Path Projects

Project Update:

Information Session

City staff presented information on multi-use paths planned for the Confluence Area between Gunbarrel, city projects and programs from Open Space and Mountain Parks and Water Utilities, plus information on Boulder County Transportation work planned for the Confluence Area at a community meeting on May 23.

If you were unable to attend the meeting but would like to review the information presented, see the presentation information links below. You may also read a summary of the comments here. pdf .

Confluence Area Multi-Use Paths

Three multimodal connections between Gunbarrel and Boulder have been identified in the area of the confluence of Boulder Creek and South Boulder Creek and Boulder Creek and Fourmile Canyon Creek (Confluence Area): 

  1. Andrus Road to Airport Road Multi-Use Path Project
  2. Valmont Road Multi-Use Path (61st Street to the South Boulder Creek Trail along an RTD rail alignment north of Valmont Road)
  3. 61st Street Multi-Use Path, Andrus Project to Valmont Road

These missing links, identified since the 1980s in the City of Boulder’s Transportation Master Plan (TMP), will provide improved bicycling and pedestrian facilities for residents, employees and visitors to the city.

Additionally, the project improvements support the following TMP goals:

  • Creating travel options through construction of multimodal facilities
  • Supporting regional travel

The first project to be constructed will be the Andrus Road to Airport Road Multi-Use Path project.

Andrus Road to Airport Road Multi-Use Path Project

Ask a question or send a comment about the Andrus Road to Airport Road Multi-Use project. You don't need to register, and comments can be submitted through the "Make a Service Request for Transportation Projects" button.

Project Description

The Andrus Road to Airport Road Multi-Use Path project is one of three City of Boulder transportation connections identified in the area of the confluence of Boulder Creek and South Boulder Creek and Boulder Creek and Fourmile Canyon Creek (Confluence Area), which will provide a much-needed multimodal connection between Gunbarrel and the city.  

The Andrus to Airport Path project will construct a 10-foot-wide, off-street, concrete multi-use path between Andrus Road and the Airport Road office park. The project will link to the existing 63rd Street multi-use path at the underpass on 63rd Street and improve the city’s system of multi-use paths, regional bicycling travel, and off-street and multi-use path connectivity between Gunbarrel and the Boulder urban center.

The proposed conceptual project design pdf was created through the collaboration of the city‘s Public Works and Open Space and Mountain Parks departments and between the city and Boulder County. The edges of the proposed path are a solid pink line, the centerline of the path is a dashed yellow line, the proposed fence is in red and the existing fence is in orange. 

Project Improvements

The Andrus Road to Airport Road Multi-Use Path project will provide the following improvements:

  • Construction of a new 10-foot, concrete multi-use path
  • Installation of fence to separate the new commuter bikeway from livestock that grazes on adjacent Open Space and Mountain parks land
  • Construction of an at-grade crossing at 61st Street along the proposed path alignment
  • Construction of a pedestrian/bicycle bridge over Fourmile Canyon Creek along the proposed path alignment

A similar multi-use path project which installed fence was constructed near 48th Street and Arapahoe Avenue. These photos provide an example of what the Andrus Road to Airport Road Multi-Use Path project will look like when complete:

Example image of a similar MUP and fence to the Andrus Road to Airport Road Multi-Use Path Project Example image of a similar MUP and fence to the Andrus Road to Airport Road Multi-Use Path Project

Schedule

Planning and design began in fall 2015 and will be completed in 2018. 

Construction is estimated to begin in 2019 and will take about six months to complete, depending on weather conditions, contractor schedules and materials delivery.

Funding Budget

The project budget is approximately $400,000 and is funded entirely with city transportation funds.

Previous Public Outreach

In April and May 2016, the project team met with adjacent property owners to discuss project improvements.

The project was presented as part of a staff update to the Open Space Board of Trustees at their Wednesday, April 12, 2017, meeting.

The project land use application was reviewed and conditionally approved by the Boulder County Commissioners at their Tuesday, Nov. 1, 2016, meeting. 

The project was featured at the Boulder Valley Comprehensive Plan Future Choices Forum for Gunbarrel held on Monday, Jan. 9.

An information session was held on May 23, 2018. City staff shared information about projects planned for the Confluence Area, including:

  • Open Space and Mountain Parks' completion of Boulder Creek Restoration work and their plans for additional work along lower Boulder Creek
  • City Water Utilities Division's evaluation of alternatives for the realignment of the city’s main wastewater interceptor sewer 
  • Information on Boulder County Transportation projects in the Confluence Area, primarily the RTD Rail Trail Master Plan that will assess the feasibility and alignment options for a soft-surface trail along RTD’s railroad right-of-way that crosses 61st Street just north of Valmont Road, and potential future traffic and bicycle safety improvements to the Valmont Road and 61st Street intersection

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Address Phone Email Transportation Planner

1101 Arapahoe Ave.

Boulder, CO 80302

303-441-3266

[email protected]

Melanie Sloan

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