Illinois narrow gauge lines under construction or being extended. Active build and restoration projects across the narrow gauge rail network.
Illinois 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.
Illinois currently has 17 railway segments under construction including 2 railway and 15 light rail.
Data: OpenStreetMap contributors
Last update: 2026-04-12