Greater London Railways Under Construction — Active Rail Build Projects and Line Extensions

Greater London railways currently under construction. New rail routes, line extensions and infrastructure upgrades — active build projects across the network.

Greater London railway lines currently under active construction: new routes, extensions to existing lines and major rail infrastructure upgrades. Includes new high-speed corridors, electrification projects, double-tracking schemes and regional line extensions. Data tagged by OpenStreetMap contributors on the ground, reflecting what is physically being built on the railway network.

Greater London currently has 116 railway segments under construction including 90 railway and 26 light rail.

  • Greater London — Railway Map
  • Greater London — Railway Speed Map
  • Greater London — Historical Railways
  • Greater London — Railway Electrification Map
  • Greater London — High-Speed Rail Map
  • Greater London — Track Gauge Map
  • Greater London — Train Stations Map
  • Greater London — Railway Usage Map
  • Greater London — Railways Under Construction
  • Greater London — Proposed Railways
  • Greater London — Level Crossings Map
Railway under construction
Other lines
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Last update: 2026-05-27

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🇬🇧Greater London
Motorways
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Under Construction
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🇬🇧Greater London – Railways Under Construction Map

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