- Official State Highway Map (no longer in paper format)
View the map or download a copy.
- Digital Maps and Data
PDF, GIS, and CAD formats available.
- GeoData Distribution Catalog
Geospatial data for maps and spatial analysis.
- Highways of Statewide Significance
Interstates and other principal arterials that are needed to connect major communities in the state.
- Interstate Exit Maps
Exit maps for Washington state routes.
- Milepost Map Statewide (pdf) or Puget Sound (pdf) Locate mileposts along the state highway system.
- Scenic Byways Map
Check out the official State Byways Map.