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Process and Schedule Updates

This online open house ran from January 25 to March 5, 2021. While the public comment window is now closed, WSDOT is keeping the information available for viewing. For construction questions, please contact Chris Hoffman,

What’s next?

On December 2 2020, we selected Atkinson Construction as our design-build contractor. Their proposal received the highest score of the three contractors who submitted proposals. They offered the best value, which is a combination of design, plans to minimize impacts, and price.

Throughout 2021, Atkinson will finalize the designs for the SR 509, I-5 to 24th Avenue S. Expressway Project. They will break ground on the project in early 2022. Before they begin construction, we will hold a construction open house to introduce the design-build team to the community and to provide more details about construction and schedule.