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I-5 Delta Park Project Description

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Project Description
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Community Enhancement Fund
 

The first phase of the Delta Park project involved widening 1-5 southbound to three lanes between Victory Boulevard and the Columbia Boulevard southbound on-ramp. In both directions, the shoulders and inside median of the freeway also were widened. In order to accommodate these changes, the existing bridges over the Columbia Slough and Columbia Boulevard were widened and the on-ramps and off-ramps at Columbia Boulevard and Victory Boulevard were realigned and lengthened to improve traffic flow and improve safety. For the Columbia Boulevard southbound on-ramp, this included building a new bridge. 
 
Map of the I-5 Delta Park project area
 

 

Aerial photo of the I-5 Delta Park project area
 
The second phase of the project consists of improvements to the local street network to improve traffic flow and access to the highway. These improvements, outlined in the revised Argyle on the Hill alternative, include realigning a portion of Argyle Way, replacing the Denver Avenue viaduct over Columbia Boulevard and replacing the Denver Avenue bridge over the Columbia Slough. The intersection of Denver Avenue and Schmeer Road would also be reconstructed as part of Phase 2. Phase 2 of the project will be scheduled once funding is secured.