SR 520 Construction Corner

The go-to source for information on SR 520 construction

Do you have a question or concern? Use the space below to send us an email. We'll get back to you as quickly as possible.

Contact us

Other ways to reach us:



  • General SR 520 inquiries: 206-200-9484 (8-5, Mon-Fri)
  • Montlake Project construction hotline: 206-775-8885 (24-hr / call or text)
  • SR 520/I-5 Connection Project construction hotline: 206-316-2559 (24-hr / call or text)

Contact our Ombudsman, David Goldberg


Phone: 202-412-7930

999 3rd Ave., Suite 2300
Seattle, WA 98104

Social media:


SR 520 Bridge Replacement and HOV Program
999 Third Ave., Suite 2300
Seattle, WA 98104

Get weekly updates via email

We regularly send subscribers email updates with the latest news about current or upcoming construction activities. Visit the WSDOT email updates page, enter your email address, and under "Construction, Planning & Projects," open "Projects," then select one or both of the following:

  • SR 520 Bridge Replacement and HOV Program
    Periodic updates on the entire program, from I-5 to I-405. Includes information on highway closures, construction milestones, and upcoming major public meetings.

  • SR 520 Rest of the West News
    Weekly updates focusing squarely on SR 520 construction activities, effects and public meetings in Seattle, from Lake Washington to I-5. There are two active SR 520 construction projects: the Montlake Project and the SR 520/I-5 Connection Project.

Note: The Washington State Department of Transportation is a public agency and is subject to the State of Washington's Public Records Act (RCW 42.56). Therefore, public comments and questions may be made available to anyone requesting them for non-commercial purposes.