City of Portland, OregonPolygons representing sidewalks in the City of Portland. Attribute information includes the owner, maintainer, ID, material, ramp style, and other characteristics. -- Additional Information: Category: Transportation - Assets Purpose: For mapping and maintenance of sidewalks in Portland. Update Frequency: Weekly -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52484ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/a3c2d531f53b428e9b9084f5e7ed4b52_77engPortlandMaps Open DataPublicSidewalks [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-01-08