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.
- SR 520 - Floating Bridge and Landings Project, Documents
- US 2, Rice Road Intersection, Safety Improvements, Documents
- Alaskan Way Viaduct, SR 99 Bored Tunnel Alternative, Documents
- SR 520, Medina to SR 202, Eastside Transit and HOV Project, Documents
- SR 520 Pontoon Construction Project, Documents
- I-405 – NE 8th St to SR 520 Braided Ramps – Interchange Improvements, Documents
- I-405 - NE 6th to I-5 Widening and Express Toll Lanes, Documents
- SR 9, SR 92 Intersection, Intersection Improvements, Documents
- WSDOT's current authorization to use design-build procurement is contained in the following RCWs 47.20.780 & 47.20.785