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Project Title & Location
I-5 Port of Tacoma Road Interchange to King County Line
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Project Description
This project builds HOV lanes on I-5 from the Port of Tacoma Road to the Pierce/King County line. There are currently eight lanes of traffic and there will be 10 lanes when the project is complete.
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Recent Progress
The Tacoma/Pierce County HOV Office is developing the plans for approval for the Port of Tacoma Road to King County Line Project. All needed existing topographical information has been collected. Geotech explorations will begin in mid-July for soil reconnaissance to commence preliminary structural and hydraulics design.
The Port of Tacoma Road to King County Line project includes a smaller project, Spring Valley Restoration project. For this project, WSDOT partnered with the City of Federal Way to develop a project that will create and restore wetland and stream areas along West Hylebos Creek to mitigate for impacts from the I-5 widening project. The project includes a mitigation site and construction of a new bridge on S. 373rd St. to accommodate a stream relocation and improve fish and wildlife passage. The wetland restoration project was awarded February 22, 2007 to Mid Mountain Contractors, Inc. of Kirkland, WA.
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Environmental Impacts / Compliance
Work to construct the Spring Valley Restoration Project site could begin as early as Summer 2007.
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Impacts to Traffic
Temporary impacts during construction could include narrow lanes along with nighttime lane closures and minor detours at the 54th Avenue Interchange.
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