Transportation Data & GIS

WSDOT GeoPortal Map Application

The WSDOT GeoPortal is an application that allows users to view WSDOT spatial data (like Functional Class, Interchange Drawings, City Limits and State Routes) via a web browser. Users can check a box to select from a variety of base maps and data layers. They can click on the map to return a State Route Mile Post value or type an address to zoom to.

For first time users: There is a Help and Users Guide that will assist you in getting started with the application. You can also access this guide from the application’s Help tool.


GeoPortal Map Application


With the GeoPortal, you can:



Feedback and data questions should be sent to: