As of January 26, 2022, an engineer has been selected and this project is in the design phase. The owner plan to select a CM/GC firm in the near future. It is anticipated construction will start in July or August 2023. A new interchange is planned to be constructed at I-25 in the southernmost part of Town. Located approximately 2.5 miles south of the Plum Creek Parkway interchange, the new interchange will connect Crystal Valley Parkway on the east side of I-25 and Territorial Road on the west side. The current five year effort is intended to achieve acquisition of remaining right of way and set aside future project funding to allow for potential funding partnerships to assist with advancing construction. Current estimates indicate that interchange construction will cost approximately $70-80 million in today's dollars. The future interchange will provide access from south Castle Rock to the metropolitan areas of Denver and Colorado Springs. It will serve the area's expanding population and is centrally located between several existing and planned developments in south Castle Rock. The interchange will also: Improve safety by eliminating one at-grade railroad crossing
Improve the local roadway network by providing a continuous east-west through route across I-25
Provide direct access to I-25 for the growing population
Reduce existing and future congestion at the Plum Creek Parkway interchange by re-distributing traffic to this new interchange This project is included in the Town of Castle Rock's FY 2022-2026 CIP. *Project information has been obtained through a public capital improvement plan (CIP). A CIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the CIP often evolves based on funding availability and the project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available.
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