Intersection of Founders Parkway and Allen Way

Improvements Ahead


The intersection of Founders Parkway and Allen Way is one of the busiest in Castle Rock. An effort to improve that intersection is underway. The goal of the improvements is to ease congestion and increase access to Interstate 25.

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Construction Update

  1. Construction at the intersection of Founders Pkwy and Allen Way is underway. Currently, the right westbound lane of Founders Parkway is closed 24/7. One eastbound lane of Founders Parkway will be closed from 9 a.m. to 3 p.m. daily. In addition, there will be intermittent right lane closures on Allen Way, both northbound and southbound to allow for installation of electrical items. Drive safely and allow for more travel time.   

    Stay up to date on this road project by checking here for impacts, closures and important notifications. 

    To report a concern, call the project hotline at 720-733-2460 and leave a detailed message.

Background


In 2015, the Colorado Department of Transportation, which owns and operates the Founders Parkway corridor, reconstructed the concrete on Founders Parkway. However, CDOT did not have the funding at the time to improve the intersection at Allen Way. 

Hearing driver concerns, the Town applied for federal funding in 2015 when CDOT reconstructed the concrete on Founders Parkway but did not have the funding to improve the intersection at Allen Way. The grant was awarded to the Town through the Denver Regional Council of Governments.  

Improvements will include:


  • additional eastbound left-turn lane from Founders Parkway to Allen Way
  • dedicated right-turn lane from Founders Parkway to Allen Way
  • additional southbound right-turn lane from Allen Way to westbound Founders Parkway
  • additional I-25 northbound on-ramp lane
  • second northbound through-lane at Allen Way and Allen Street

Timeline


Town Council on June 18, 2019 approved a construction contract with Noraa Concrete Construction Corporation, as well as an intergovernmental agreement with CDOT. Work at this intersection is expected to begin in July and take approximately 90 days to complete. 

Project budget and funding


Total funding for construction is $2,642,210. 

Construction funding breakdown

Entity Funding contribution
Federal Grant 
*regional Transportation Improvement Program, 
administered through the Denver Regional Council of Governments
$1,716,168
Colorado Department of Transportation $280,000
Douglas County $250,000
Castle Rock $396,042