FHWA and WSDOT require that bicyclist and pedestrian facilities be included in new construction and reconstruction projects in all population centers where walking and biking are permitted. Find information on how to design pedestrian and bicycle facilities. Federal law requires that facilities be constructed to meet ADA accessibility standards.
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