City of Portland, OregonTSP Master Street Plans are part of a group of layers that make up the Transportation System Plan, which is the 20-year plan for transportation improvements in the City of Portland. The goal of the TSP is to provide transportation choices for residents, employees, visitors and firms doing business in Portland by describing what the system should look like and what purpose it fulfills. This feature class contains polygon features related to the Master Street Plan. -- Additional Information: Category: Transportation - Plan Purpose: For mapping related to the City's Transportation System Plan Master Street Plans. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=56793ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/9aa0dc50150440a99552128b76589f84_1285engPortlandMaps Open DataPublicTransportation System Plan TSP Master Street Plan - Polygons [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2026-01-08