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Design Guidance for Local Agencies

Changes and Interim Updates to Design Standards

Directives and letters addressing changes and interim updates to standards, manuals and procedures commonly used by local agencies.

LAG Manual Ch 42 - City and County Design Standards (pdf 970kb)

WSDOT Design Manual

WSDOT Design Office

HMA for Local Agencies

AASHTO Design Publications

WSDOT Forms

Roundabouts

ADA Standards