Railway Operators: 한국철도공사 (Korail) (66.2 %), SR;한국철도공사 (31.2 %), 한국철도공사 (1.9 %), 주식회사 SR (0.3 %), N/A (0.4 %)
Railway Users: passenger traffic (68 %), N/A (32 %)
Electrification: 25000 V / 60 Hz AC (99.2 %), electrified with unknown voltage (0.3 %), N/A (0.4 %)
Structures: 96.6 km in tunnels (51 %), 54.7 km on bridges (28.9 %), 11.8 km on embankments (6.2 %), 0.2 km in cuttings (0.1 %), 26.1 km on ground level (13.8 %)