Île-de-France Railways Under Construction — Active Rail Build Projects and Line Extensions

Île-de-France railways currently under construction. New rail routes, line extensions and infrastructure upgrades — active build projects across the network.

Île-de-France 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.

Île-de-France currently has 209 railway segments under construction including 64 railway, 58 tram, 82 metro and 5 light rail.

  • Île-de-France — Railway Map
  • Île-de-France — Railway Speed Map
  • Île-de-France — Historical Railways
  • Île-de-France — Railway Electrification Map
  • Île-de-France — High-Speed Rail Map
  • Île-de-France — Track Gauge Map
  • Île-de-France — Train Stations Map
  • Île-de-France — Railway Usage Map
  • Île-de-France — Railways Under Construction
  • Île-de-France — Proposed Railways
  • Île-de-France — Level Crossings Map
Railway under construction
Other lines
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Last update: 2026-05-24

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🇫🇷Île-de-France
Motorways
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Under Construction
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🇫🇷Île-de-France – Railways Under Construction Map

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