RAILUMI · KOREA SUBWAY
Data sources
Updated 28 October 2026
Official-source network
Network inputs derive from Korea National Railway’s KRIC station, line and operation datasets, supplied by Korean rail operators. National public-data standard pages identify unrestricted free reuse. BIRDLAB normalizes these records and reviews transfer links; source dates vary and corrections continue. The app does not use competitor maps or databases.
Attribution and coverage
Rail network data: Korea National Railway (KRIC), supplied by Korean urban/metro railway operators; acquired 28 October 2026. Seoul Metropolitan Government open data is used only where a shipped source manifest identifies it, under Korea Open Government License Type 1 (attribution). The Seoul real-time arrival dataset is referenced for transparency, not an enabled live feed. No live API key or real-time service is included. Check in-app source dates; source publication dates do not guarantee every service is current.