City of Portland, OregonThis feature class identifies the location and type of pipes, posts, and poles used for mounting signs. The inventory of includes typical mounts like steel pipes and poles as well as unusual sign supports like trees, buildings, and fences. -- Additional Information: Category: Transportation - Assets Purpose: This dataset serves as PBOT's GIS inventory of sign mounts. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52946ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/f984a44585174a0e96098430613507d8_224engPortlandMaps Open DataPublicSign Mount [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-01-08