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News

Crystal Valley interchange project in Castle Rock begins

Douglas County partners with Town to bring new regional connection to Interstate 25

Posted on April 10, 2024 2024Transportation

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Information courtesy of the Town of Castle Rock:

You may have noticed construction signage on Crystal Valley Parkway and East Frontage Road. The Town of Castle Rock and contractor-partner Kraemer North America have begun initial site preparations for the new interchange at Interstate 25 and Crystal Valley Parkway.

The interchange is a top transportation priority for the Town, and it will improve safety and mobility in the surrounding community and provide a key regional transportation link from I-25 to southern Castle Rock and Douglas County.

To help reduce impacts on the traveling public during construction, most of this project will be constructed in phases, with work occurring outside of the active travel lanes.

Beginning this week, crews will temporarily realign traffic on Crystal Valley Parkway between East Frontage Road and the east side of the bridge over the railroad tracks. This will allow interchange and bridge construction to take place while maintaining traffic flow and limiting impactful closures. Please watch for signs along the roadside for the most up-to-date information.

To join the email list to stay informed about the project’s progress, go to CRgov.com/CVI

Once completed, the new interchange will feature:

Throughout the duration of the project, please, watch for changing traffic patterns and daytime and nighttime lane closures. Access impacts to local businesses may be required intermittently. The project team will maintain access, although short detours may be required.

To allow construction crews to safely move dirt and support interchange construction activities, a portion of the East Plum Creek Trail near Crystal Valley Parkway and sidewalks along the Crystal Valley Parkway bridge will be closed through early 2025. Find Town trail condition and closure information, including a map, and sign up for trail alerts at CRgov.com/TrailConditions.

This project is a collaborative effort among the Town, Douglas County and the Colorado Department of Transportation. Roundabout and Frontage Road construction east of I-25 is anticipated to be completed by 2025, with total completion of the interchange project anticipated in early 2027.

The entire project cost, which includes design, right of way acquisition and construction, is about $142.4 million. The funding resources for this project include:

The remaining cost to construct the interchange will be provided by the Town’s Transportation Capital Fund. Road projects in Town are primarily funded with revenue from sales tax, motor vehicle taxes, new development impact fees, taxes on construction materials, and contributions from adjacent developments. As authorized by voters, funding for this interchange project will also come from any excess revenue as defined by the State’s Taxpayer Bill of Rights, TABOR.

To contact the project team with questions, concerns or comments, email [email protected] or call 720-733-6097.

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