City of Portland, OregonThis dataset identifies Portland street segments where curb extensions are either required or exempted during corner reconstruction, in accordance with PBOT policy TRN 1.28 (Curb Extensions for Building and Planning Actions). --Additional Information: Category: Transportation - Plan Purpose: Identify street segments where curb extensions are either required or exempted during corner reconstruction. Update Frequency: As Needed --Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=61222ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/9646a2e182b14202ac86c37c59a99b13_1432engPortlandMaps Open DataPublicCurb Extension Policy [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-03-09