Legend (FunctionalClass/WSDOTFunctionalClassData)

State Highway Functional Class (0) 1 - Interstate 2 - Other Freeway / Expressway 3 - Other Principal Arterial 4 - Minor Arterial 5 - Major Collector 6 - Minor Collector 7 - Local Access Non-State Highway Functional Class (1) 1 - Interstate 2 - Other Freeway / Expressway 3 - Other Principal Arterial 4 - Minor Arterial 5 - Major Collector 6 - Minor Collector 7 - Local Access 92 - Proposed Other Freeway / Expressway 93 - Proposed Principal Arterial 94 - Proposed Minor Arterial 95 - Proposed Major Collector 96 - Proposed Minor Collector