United Kingdom Narrow Gauge Under Construction — Active Builds and Heritage Line Restorations

United Kingdom narrow gauge lines under construction or being extended. Active build and restoration projects across the narrow gauge rail network.

United Kingdom 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.

United Kingdom currently has 880 railway segments under construction including 811 railway, 34 tram, 26 light rail and 9 narrow gauge.

  • United Kingdom — Narrow Gauge Map
  • United Kingdom — Narrow Gauge Under Construction
  • United Kingdom — Proposed Narrow Gauge Lines
  • United Kingdom — Narrow Gauge Stations Map
  • United Kingdom — Narrow Gauge Speed Map
Under Construction
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Last update: 2026-06-20

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🇬🇧United Kingdom
Motorways
🚞Narrow Gauge
Under Construction
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🇬🇧United Kingdom – Narrow Gauge Under Construction Map

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