South Korea Railways Under Construction — Active Rail Build Projects and Line Extensions

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

South Korea 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.

South Korea currently has 713 railway segments under construction including 519 railway, 40 tram, 87 metro and 67 light rail.

  • South Korea — Railway Map
  • South Korea — Railway Speed Map
  • South Korea — Historical Railways
  • South Korea — Railway Electrification Map
  • South Korea — High-Speed Rail Map
  • South Korea — Track Gauge Map
  • South Korea — Train Stations Map
  • South Korea — Railway Usage Map
  • South Korea — Railways Under Construction
  • South Korea — Proposed Railways
  • South Korea — Level Crossings Map
Railway under construction
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OpenStreetMap contributors

Last update: 2026-06-20

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🇰🇷South Korea
Motorways
🚂Railway
Under Construction
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🇰🇷South Korea – Railways Under Construction Map

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