Portugal planned and proposed metro lines. Future underground routes and rapid transit expansion projects before construction begins.
Portugal metro and subway lines formally proposed or in active planning: future underground corridors announced, studied or included in urban transport master plans but not yet under construction. Shows where cities plan to extend rapid transit coverage — new orbital lines connecting suburbs without routing through the city centre, extensions to areas beyond the existing network and entirely new metro systems in cities currently without subway.
Portugal has 215 proposed railway segments including 193 railway, 5 tram, 9 metro and 8 light rail.
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