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 167 Puyallup River Bridge
- SR 520 Bridge Replacement and HOV Program
- I-405 Corridor Program
- SR 520 Pontoon Construction
- I-405 & SR 518 - Concrete Pavement Rehabilitation Project
- I-5 - Joe Leary Slough to Nulle Road Vicinity - Paving Design Build , Documents
- 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
- I-405 - I-5 to SR 169 Stage 2 Widening
- I-405 - NE 195th to SR 527 - Northbound Auxiliary Lane
- I-405 - I-5 to SR 169 Stage 1 Widening
- SR 519, I-90 to SR 99 Intermodal Access I/C Improvements Phase 2
Kirkland Stage 1 (I-405, SR 520 to SR 522) - South Bellevue (I-405, 112th Avenue SE to SE 8th Street)
SR 532 - I-5 Everett HOV
- WSDOT's current authorization to use design-build procurement is contained in the following RCWs 47.20.780 & 47.20.785