Engineering & standards

Environmental guidance

Resources for environmental and transportation professionals, organized by discipline.

Relocation, appraisal & acquisition

Find information on real estate transactions including auctions and guidelines for all state agencies engaged in real estate activities covered by the Uniform Relocation Assistance and Real Property Acquisition Policies Act.

Construction

Find information on construction materials and construction guidance.

Transportation System Management and Operations - TSMO

Learn about Transportation Systems Management and Operations (TSMO) and how it is changing how we manage transportation infrastructure.

Performance Framework

The Performance Framework is a structured set of objectives, measures and metrics that help us make the right decisions in the right place at the right time. 

Advancing practical solutions

Practical Solutions is our approach to achieving our mission. Through Practical Solutions, we identify and solve problems and needs as quickly and inexpensively as possible, making data-driven and performance-based decisions.

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.