The following mileage and travel information is based on data collected annually for Highway Performance Monitoring System (HPMS) sections.
Daily Vehicle Miles Traveled (1,000's)
Annual Vehicle Miles Traveled (Millions)
Percent of VMT
|State Total 
Interstate figures are also included in the State total. Other Jurisdictions include State Dept. of Natural Resources, State Parks, Other State, Port Districts, Indian, U.S. Forest, and National Parks.
State Highway Mileage data is from State Highway Log; other data is from HPMS reporting
Questions or comments regarding the above information, please email the HPMS Section or call (360) 570-2370.
Historic Public Roadway Vehicle Miles Traveled
Public Roadway VMT (xlsx 109 kb)
Historic State Highway Vehicle Miles Traveled
State Highway VMT (xlsx 6.49 mb)
HPMS Annual Reports
Historic HPMS Reported Mileage (xlsx 9 kb)
Miles and Daily VMT (xlsx 11 kb)
HPMS Mileage and Daily Travel Summary (xlsx 22 kb)
HPMS Miles and VMT by County (xlsx 17 kb)
HPMS Miles by Functional Classification and Owner (xlsx 16 kb)
HPMS VMT by Functional Classification and Owner (xlsx 11 kb)
Mileage Report for Other (non-WSDOT) Agency Roads (xlsx 12 kb)
Travel Activity by Vehicle Type (xlsx 12 kb)
HPMS VMT History (docx 25 kb)