The Design Policy, Standards, and Research team is part of the WSDOT Development Division, providing policy guidance and technical support to WSDOT headquarters and regional offices, for development of transportation projects. We also provide technical support to other state and local agencies.

Design Policy News
To view and comment on upcoming revisions, see the Active Revisions Website

To view the current Design Manual, you can choose current individual chapters or the entire current manual in a pdf

See the updated technical errata

Design Manual Revision History
See the past revisions of the Design Manual and the detailed chronology

Resources

• Find Design Guidance for parameters, documentation tools and templates, Design Documentation Packages and design bid build projects
• Find design and PS & E checklists at the Project Development page
• See the Roadside Safety Elements page for safety publications
• Design Safety Research
• Standard Plans
• Practical Design
• Passing Lane Length Calculations (xlsx 417 kb)

Direct questions, comments and suggestions to: 
John.Tevis@wsdot.wa.gov
Geometric and Roadside Safety Engineer
Ph: 360-705-7460

Mailing address:
PO Box 47329
Olympia, WA
98504-7329
(360) 705-7230