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.

14 fish passage projects were completed in 2020

improving access to 54.2 miles of upstream habitat.

11,959 incidents responded to

by WSDOT’s incident Response teams during second quarter of 2021, 15% more than same quarter in 2020.

41 Pre-existing Funds Projects Advertised

during the eighth quarter of the 2019-2021 biennium.