How to do business with us

Learn about the requirements to do business with us including information about bidding, acquisitions, contracts and project delivery.

Find acquisitions and contracts for Information Technology (IT) goods and/or services and professional services.

Find architectural and engineering contracts for design and construction projects. We also manage a portion of personal services contracts for transportation studies, media and public involvement.

Find and download frequently used agency forms used for doing business with us.

Find more information about the various ways we deliver highway construction projects.

Learn about how to bid on a highway, ferry terminal or facility contract and find information about previous contracts.

Obtain a clear and effective understanding of project development, design, and delivery goals through visual media made with a wide range of 3D modeling, animation, video and other graphic software packages.

8,683 animals crossed the Snoqualmie Pass East Project area

as recorded by WSDOT and partners in 2020 and 2021.

46% increase in Amtrak Cascades ridership to 251,000 passengers

in 2021 compared to 172,000 in 2020.

Nine wetland and stream mitigation sites across 32.7 acres added

to our monitoring program in 2021 to help offset climate change impacts.