This file includes all state owned or maintained highways, connections, frontage roads, temporary traveled routes and located lines in the states of Oregon and Washington.
Summary
This file includes all state owned or maintained highways, connections, frontage roads, temporary traveled routes and located lines in the states of Oregon and Washington.
This data provides a detailed view of the state highway system based on the Linear Referencing system (LRS) used by both the Oregon Department of Transportation and the Washington State Department of Transportation. 1:24k resolution.