City of Portland, OregonImported from an unknown CAD source, this polyline dataset delineates the routes of historical trolley lines, which have since been abandoned or removed. The data is not maintained, and offered as-is. -- Additional Information: Category: Transportation - Right of Way Management Purpose: Delineate known historical trolley lines. Update Frequency: Not Maintained -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=53242ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/e43b345e5dae4ae480671a936240b424_272engPortlandMaps Open DataPublicHistoric Trolley Routes [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-01-08