Iran narrow gauge lines under construction or being extended. Active build and restoration projects across the narrow gauge rail network.
Iran 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.
Iran currently has 1,017 railway segments under construction including 905 railway, 74 metro and 38 light rail.
Last update: 2026-06-17