Spain – proposed tram, metro and light rail lines: planned routes and future extensions before construction begins.
Spain – urban rail lines formally proposed or in planning: corridors announced, studied or included in transport plans but not yet under construction. The map shows where cities intend to extend their rail networks next, drawn from OpenStreetMap data.
Proposed in Spain: 56 tram segments, 36 metro segments and 19 light rail segments – 111 urban rail transit segments in total.
Last update: 2026-10-06