Switzerland narrow gauge lines under construction or being extended. Active build and restoration projects across the narrow gauge rail network.
Switzerland 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.
Switzerland currently has 37 railway segments under construction including 35 railway and 2 tram.
Data: OpenStreetMap contributors
Last update: 2026-04-13