Founders Parkway and Allen Way Improvements

Upcoming Closure at Allen Way 

The intersection of Founders Parkway and Allen Way is one of the busiest in Castle Rock. An effort to improve that intersection is underway.

Starting Tuesday, Sept. 3, Allen Way will be closed from Founders Parkway to Allen Street. As part of the improvements on this busy intersection, crews will be re-constructing this area of roadway to allow for an additional turn lane. Access to businesses will still be available by taking Front Street to Allen Street. We understand the inconvenience and ask that you plan some extra time when visiting this popular intersection. Allen Way is anticipated to reopen by Sept. 13, weather permitting. Please see the graphic below for details on the closure and detour. 

Stay up to date on this road project by visiting To report a concern, call the project hotline at 720-733-2460 and leave a detailed message.
Road closure at Allen Way Sept. 3-13
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