WSDOT Projects

Download or view the most recent SR 509 / SR 518 Corridor Improvement Projects publications.

Interchange Safety Improvement documentation - 11/2006

• Determination of Non-Significance (pdf 31 kb)
• SEPA Checklist (pdf 483 kb)

Interchange Improvements - 9/2005.

• Flyover Simulations (pdf 823 kb)
• Flyover Map-Diagram (pdf 4.2 mb)
• Safety Improvements Diagram (pdf 933 kb)

SR 509/ SR 518 Corridor Improvement Projects Fact Sheet - 1/2005

• Folio (pdf 1.6 mb)

Open House & Scoping Meeting - 1/2005.

• Brochure (pdf 95 kb)

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