WSDOT - Contract Ad and Award - Project Information

SR 509 Completion - Stage 1B


  • Contract Number: 9424
  • Interested Parties List:
    If you are interested in participating in this project, add your firm to our email list to receive future notices about this project.
  • For additional information on this project, please direct your inquiries to the Project Manager:
    Andrey Chepel
    Phone: (206) 805-2978

RFQ Addenda

Voluntary Submitters Meeting

Request for Qualifications

Project Information Available


Last Updated: September 16, 2019