Spain narrow gauge lines under construction or being extended. Active build and restoration projects across the narrow gauge rail network.
Spain narrow gauge lines currently under active construction: extensions to existing heritage and tourist railways, new mountain or scenic lines and industrial narrow gauge projects. Shows where the narrow gauge rail network is actively growing.
Spain currently has 2,008 railway segments under construction including 1,898 railway, 10 tram, 23 metro, 45 light rail and 32 narrow gauge.
Data: OpenStreetMap contributors
Last update: 2026-04-13