Design Manual M22-01
Chapter 1510 Pedestrian Facilities (PDF 1.7MB)
Chapter 1515 Shared-Use Paths (PDF 2.3MB)
Chapter 1520 Roadway Bicycle Facilities (PDF 1.1MB)
Chapter 1600 Roadside Safety (PDF 1.2 MB)
National Association of City Transportation Professionals (NACTO) Urban Street Design Guide - Endorsed by WSDOT
National Association of City Transportation Professionals (NACTO) Urban Bikeways Design Guide - Endorsed by WSDOT