Guidance Documents - Information on WSDOT's Practical Design Procedures (PDF 1.2MB)
Design policy and guidance
Project Delivery Memos are interim updates that supersede policy in the Design Manual.
Design bulletins provide clarifications or instructions of the existing policy.
Complete Streets provides general information, links and region lead contacts associated with Complete Streets.
The Development Division has published a policy regarding electronic signatures (PDF 344KB)
The FHWA - WSDOT Stewardship Agreement documents the delegation of authorities and responsibilities between FHWA and WSDOT. This agreement establishes the roles and responsibilities of the FHWA Washington Division Office and the Washington State Department of Transportation (WSDOT) with respect to certain title 23 project approvals and related responsibilities, and FAHP oversight activities.
Project Delivery Method Selection Guidance
One of the first steps in project delivery is to determine the most appropriate project delivery method. The Project Delivery Selection Guidance (PDMSG) aids WSDOT staff in selecting delivery method based on each the project's attributes, opportunities and risks.
Design documentation
The Context and Modal Accommodation Report (CMAR) and Basis of Design (BOD) are used to record the decisions made during the design process to answer the question, “Why did you do that?”.
Context and modal accommodation (CMAR)
Use the Context & Modal accommodation report (DOCX 204KB) template to record land use and transportation characteristics that affect modal accommodation and determining modal priority. The report can be done during the scoping or pre-design phase to shape the context section of the Basis of Design. Refer to the CMAR learner's guide (PDF 784KB) for guidance on documenting transportation context.
Basis of Design (BOD)
The Basis of Design, Version 2.4 (DOCX 94KB) gets to the core of practical decision making by defining the needs and context that are used to shape the project’s design controls, alternatives and design elements. The Basis of Design is completed near the beginning of a project.
A few projects have templates that are specific to those project types. These templates have the baseline needs completed but need to be customized for the specific project:
- Basis of Design - Fish, Version 2.4 (DOCX 102KB)
- Basis of Design - Compact Roundabout, Version 2.4 (DOCX 93KB)
Basis of Estimate (BOE)
The Basis of Estimate, BOE is an integral, and required, element of project cost estimating. The BOE is used to track and document changes to the project scope, cost, and schedule. This documentation is important because over time a project may have many engineers, design staff, and multiple estimators involved. The BOE provides a record of a project’s evolution of estimated cost and an updated BOE is required for each updated cost estimate.
Both a MS word and Excel version of the BOE are provided so people can choose their preferred format. The template can be customized by users for their specific project:
Design documentation
Design Documentation for projects is made up of two products: Design Documentation Package (DDP) and Project File.
The Design Documentation Package (DDP), which is retained for 75 years, consists of:
- Design Approval (or Conceptual Design Approval for design-build projects)
- Project Development Approval
- DDP Supporting Documents
For design-bid-build projects, use the DDP Checklist - DBB, Version 1.7 (DOCX 73KB).
For design-build projects, use the DDP Checklist - DB, Version 1.7 (DOCX 68KB).
To complete the DDP checklist, you will need the following:
- DA/PDA Memo - DBB, Version 2.4 (DOCX 53KB) (for design-bid-build projects)
- DA/PDA Memo - DB, Version 2.4 (DOCX 71KB) (for design-build projects)
- Design Clear Zone Inventory form (XLSX 21KB)
- Design Parameters (XLSX 33KB)
- Design Analysis, Version 1.5 (DOCX 71KB)
- Design Decision - CS Deferral, Version 1.6 (DOCX 65KB)
- Design Decision - CS Deferral - Fish Passage, Version 1.5 (DOCX 54KB)
- Maximum Extent Feasible (MEF) template, Version 2.2 (XLSX 1.4MB)
- Plan for Approval Checklist, Version 2 (DOCX 51KB)
- Design Elements Sheet (PDF 378KB)
The Project File Checklist (DOCX 21KB) contains project documentation that is deemed necessary by the project engineer, but is not contained in the DDP. Project File items are retained for three years after the final contract voucher.
The design documentation process is covered in depth in Chapter 300 of the WSDOT Design Manual. Documentation that has been loaded into ECM can be accessed through the PMRS Project Design search tool (PDF 1.05MB)
The Design Parameter Worksheet (DPW) is intended to serve as the document that designers use to indicate if the design elements for your project meet the WSDOT Design Manual. You can continue using the existing version of the worksheet (linked above) for current projects, but for new projects, please use one of the two beta versions of a new automated Design Parameter Worksheet (DPW).
As they are Beta versions, please let your Assistant Design Engineer (ASDE) know how well it worked for your projects and if you found any incorrect references.
- Design Parameter Worksheet (DPW) (XLSM 422KB) that aligns with the 2023 Design Manual.
- Design Parameter Worksheet (DPW) (XLSM 437KB) that aligns with the 2024 Design Manual.
Signature pages for approval
Some of the DDP requires approval signatures. For consistency in approval format and to improve filing, use the following signature pages:
Access Revision Report signature page, Version 1.1 (DOCX 43KB)
Non-Access Feasibility Study signature page, Version 1.1 (DOCX 43KB)
Pre-design fish passage
Use the Fish passage pre-design guidance (PDF 204KB) prior to beginning of Preliminary Engineering for delivering a fish passage project in the pre-design phase. Use as a resource for team alignment, pre-design planning, and general best practices for fish passage delivery.
Proprietary item use
See the Plans Preparation Manual 700.01(6) section for guidance on competitive bidding, proprietary items, and the use of the Qualified Products List (QPL). Blanket proprietary certifications are available for some products.
- WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - Gibraltar MASH16 TL-4 Cable System (PDF 227KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - Mobile Barriers MBT-1 (PDF242KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - Welded Wire Faced Structural Earth Wall (PDF174KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - Rapid Cure Silicone Sealant Expansion Joint System (PDF 173KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - Neenah Foundry Company Deck Drains (PDF 132KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - STRATA Sleeve-It® Fence Post Anchor System (PDF 150KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - ITS Equipment and Software (PDF 524KB) - WSDOT Certified for 07/01/25 – 06/30/27 Biennium
Statewide Blanket Approval - Anvil Anchor Deck Insert (PDF 125KB)
Professional liability assessment tool for design-build projects
As part of the determination of professional liability insurance (PLI) coverage associated with Design-Build contracts outlined in Project Delivery Memo #21-03, all Design-Build projects that have not published Request for Qualifications documents are expected to conduct a risk assessment using the agency’s Design-Build Professional Liability: Assessment of Project Risk Level spreadsheet (XLSX 142KB).
The instructions for populating this spreadsheet are provided with the companion Design-Build Professional Liability: Assessment of Project Risk Level Guidance (PDF 765KB). The assessment tool is intended to provide a general risk profile to assist with making informed decisions about PLI coverage.
Training and other resources
Find design training opportunities and resources.
Design documentation (PDF 9.93MB) and design analysis training (PDF 10.5MB) is available from your Assistant State Design Engineer covering the design documentation process and how to write a design analysis. WSDOT employees can access The Learning Center on insideDOT for the next available class.
Use this Buy America Waiver request template (DOCX 37KB) as detailed in section 700.01(7) of the Plans Preparation Manual.
A sag vertical curve minimum length calculator (XLSX 22KB) has been created to assist in the computation of the minimum length of sag vertical curves in accordance with Exhibit 1220-1 of the Design Manual.
This Chicane Fastest Path Curve Design Speeds chart (PDF 293KB) with instructions has been created to assist Roundabout Designers in designing chicanes based on fastest path speed control.
WSDOT/American Council of Engineering Companies (ACEC) - WA Executive Liaison Committee
WSDOT/ACEC-WA Executive Liaison Committee includes representatives from both WSDOT HQ Design and ACEC. These teams meet, discuss and serve as a resource for establishing Design policy, procedures and process improvement.
Visualization services
Visualization services provide design and delivery goals through visual media made with a wide range of 3D modeling, animation, video and other graphic software packages.
These productions communicate and build project team relationships with your partners and public alike while achieving greater consent gathering success. From planning and communication to design and construction, these products & productions are strategic to project success.
Plans review
Review guidance and checklists
Use the Plans Preparation checklist (PDF 389KB) to organize and ensure items required for the project are included.
For reviewing items needed for your completed project, use the Plans, Specifications and Estimates checklist (DOCX 26KB). Contact your region plans office for a region specific checklist.
Calculation sheets
- Lump Sum Traffic Control Risk Assessment (XLSX 28KB)
- Design liquidated damages calculation sheet (XLSM 160KB)
- Steel cost price adjustment worksheet (XLSX 27KB)
- Construction escalation clauses
Plans, specifications and estimates quality management
Find guidance and technical support (PDF 156KB) for quality management initiatives for design projects. This process is a value added initiative to establish statewide standards of quality and limit unnecessary project schedule and budget overruns, and reduce change orders. Quality management is an integral component of project management and a natural complement to Cost Risk Estimating Management.
The WSDOT constructability review process (PDF 1.32MB) is designed to help improve the level of constructability of a project. The most important benefits expected from the CRP are the achievement of an efficient project development process and the realization of a cost-effective project that is biddable, buildable and maintainable.
The constructability review best practices guide (PDF 2.1MB) has been developed to provide information to the AASHTO member states that can be used to develop a constructability review process that will meet the needs of their individual transportation agency.
Assistant State Design Engineers and Liaisons
Find your ASDE Region assignments (PDF 89KB)
Deputy State Design Engineer
Mike Fleming, PE
Michael.Fleming@wsdot.wa.gov
360-705-7233
Assistant State Design Engineers
Daniele Dunjic, PE
Daniele.Dunjic@wsdot.wa.gov
360-705-7237
Kevin Miller, PE
Kevin.Miller@wsdot.wa.gov
360-600-1638
Joanna Lowrey, PE
Joanna.Lowrey@wsdot.wa.gov
360-480-8026
Rafael Reyes, PE
Rafael.Reyes@wsdot.wa.gov
360-259-6713
Kenneth Loen
Kenneth.Loen@wsdot.wa.gov
425-507-3900
Courtney Soderquist
Courtney.Soderquist@wsdot.wa.gov
360-701-4735
Joseph Perez, PE
Joseph.Perez@wsdot.wa.gov
360-688-6098
Design Liaison
Samih Shilbayeh, PE
Samih.Shilbayeh@wsdot.wa.gov
360-705-7589