Design topics
Find resources to support practical decision-making during pre-design, scoping and design for your projects.
Environment
Staff and contractors can find federal, state and local environmental requirements with the guidance and tools to comply with them.
Highway & roadside facilities
Staff and contractors can find guidance and tools on these topics.
Hydraulics & hydrology
Staff and contractors can find guidance and tools for project hydraulic design.
Utilities, railroads & agreements
Find guidance and expertise for coordinating services for statewide projects and initiatives involving utilities, railroads and agreements. Get the technical guidance and training on agreement development, utility policy and railroad project coordination. Find utility permits and franchise information and resources.
Bridges & structures
Technical information, including guidelines, manuals, drawings, software and other resources for designing, inspecting, and preserving bridges and structures.
Traffic
Staff and contractors can find guidance and tools on these topics.
Design ADA
Find project ADA self-assessments for construction projects, ADA guidance, requirements and forms.
Design tools & support
Find guidance documents, templates and checklists to support your design efforts.
Engineering applications
Find technical support and guidance in engineering data systems and software applications used in the preparation of your project. From resource updates and installation guidance to downloadable versions, examples and templates.
Traffic fatality crashes on Washington public roadways
increased 56% in March 2021 compared to March 2020.
11,906 incidents responded to
by WSDOT’s incident Response teams during the third quarter of 2021, nearly 6% more than same quarter in 2020.
WSF ridership was nearly 5.7 million in the first quarter of fiscal year 2022,
which was 1.6 million (38.3%) higher than the corresponding quarter in FY2021