Bulgaria narrow gauge lines under construction or being extended. Active build and restoration projects across the narrow gauge rail network.
Bulgaria 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.
Bulgaria currently has 219 railway segments under construction including 192 railway, 6 tram and 21 metro.
Last update: 2026-07-24