Design-build is a method of project delivery in which WSDOT executes a single contract with one entity (the Design-Builder) for design and construction services to provide a finished product.

    The Joint Transportation Committee (JTC) of the Washington State Legislature engaged a team to study the Washington State Department of Transportation’s (WSDOT) use of the design-build (DB) project delivery method. The primary objective of the study was to identify potential changes in law, practice, organizational structure, or policy that will allow WSDOT to optimally employ DB delivery to maximize efficiencies in cost and schedule.


    • Contact the Design-Build team for access to the Design-Build Contract Template Documents.


    Enabling Legislation

    • WSDOT's current authorization to use design-build procurement is contained in the following RCWs 47.20.780 & 47.20.785

    WSDOT/AGC/ACEC Design-Build Committee

    • The WSDOT/AGC/ACEC Design-Build Committee, includes representatives from WSDOT HQ Design and Construction and project teams, the construction industry and consulting engineer industry, to serve as a resource for establishing Design-Build policy, procedures and process improvement.

    2019 Annual Meeting Report (docx 77 kb)

    Work Group

    • The Design-Build Work Group, comprised of staff representing all regions, has been working together over the past two years to comply with the enabling legislation and JTC report recommendations.