Road Inventory and Classification Services Unit (RICS), Oregon Department of Transportation (ODOT).This file includes all signed Interstate, US, and State routes for the State of Oregon. Additional metadata resouce: https://geoportalprod-ordot.msappproxy.net/geoportal/catalog/main/home.pageArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/3e40c092b12b4d418a8bb1755aef4104_166engOregon GEOHubPublicSigned Routes [Oregon]Web servicesOregonLast Modified: 2025-07-24