City of Portland, OregonPolygons representing improved street corners in the City of Portland. Attribute information includes owner, maintainer, material, and other relevant information. Taken together, the improved corners and sidewalk (sidewalk_pdx) datasets represent the City of Porltand's sidewalk network. -- Additional Information: Category: Transportation - Assets Purpose: For mapping and analysis related to the maintenance of improved street corners. Update Frequency: Weekly -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52777ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/2110697e9c1e42f3a87f75c310da64f1_78engPortlandMaps Open DataPublicCorners Improved [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-01-08