Engineering & standards
Design topics
Find resources to support practical decision-making during pre-design, scoping and design for your projects.
All manuals & standards
Find manuals, standards, specifications and details covering requirements for projects.
Planning guidance
Learn about community planning, local planning and tribal planning. Get planning study guidance.
Project management & training
Find tools that provide the framework for project managers to deliver projects on time, within scope and budget. Find available trainings covering various topics.
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.