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Interstate 25 and State Highway 392 Interchange

Project Status

View CDOT's webpage for continuing construction updates

The Fort Collins City Council and the Windsor Town Board approved the intergovernmental agreements between the City of Fort Collins, Town of Windsor and CDOT defining construction, maintenance and ownership of the interchange and an intergovernmental agreement between the City of Fort Collins and the Town of Windsor that defines the process for review of development and redevelopment proposals, and identifies cost sharing and reimbursement through development impact fees. The Colorado Department of Transportation (CDOT) is managing the construction of the interchange project that is planned to be constructed over a 15-month period with construction commencing in the summer of 2011. The interchange is open to traffic during construction with the exception of a two-week time period mid project when the old bridge is demolished and traffic is rerouted to the first phase of the new bridge.

Community Contacts

Rick Richter
City of Fort Collins
Capital Projects Manager
970-221-6798
John Frey
Town of Windsor
Project Manager
970-482-0212

Background On Project Planning

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The I-25/SH392 Interchange Improvement Plan represents a unique process with a focus on strategic implementation actions and identification of critical next steps in process to fund and reconstruct the interchange. This plan's key components include interchange configuration design, supporting land use in activity center, natural area buffers, west frontage road alternatives and funding scenarios. All of these components will require additional discussions, refinement and coordination prior to finalization, as part of on-going implementation efforts. Download the plan and summary from the list to your right.

In March 2006, the City of Fort Collins and the Town of Windsor entered into an intergovernmental agreement (IGA) which focused on cooperation, land use and development at the I-25/SH392 interchange. The purpose of the IGA includes the need to cooperate among Fort Collins, Windsor, Larimer County, and the North Front Range Metropolitan Planning Organization (NFRMPO) on design and funding interchange improvements.

The 12-month planning process began in the Fall 2006. Fort Collins and Windsor joined together to develop this plan. These communities also partnered with NFRMPO, CDOT, Larimer County, and local property and business owners to determine key actions and funding strategies necessary to move forward towards plan implementation.

The plan was formally accepted by the Windsor Town Board on November 26, 2007. In March of 2008, the Fort Collins City Council, while not prepared to accept the plan, agreed to adopt two resolutions to proceed with implementation including pursuing a Justification for Separate Action, and 1601 Study.