Railway Operators: SNCF Réseau (86.7 %), SBB (13.3 %)
Railway Users: passenger traffic (65.4 %), mixed traffic (21.2 %), freight traffic (0.3 %), N/A (13.2 %)
Electrification: 25000 V / 50 Hz AC (79.9 %), 15000 V / 16.7 Hz AC (10.6 %), 1500 V / DC (8.9 %), 25000/15000 V / 50/16.7 Hz AC (0.6 %)
Structures: 17.1 km in tunnels (3.1 %), 9.3 km on bridges (1.7 %), 0.2 km on embankments (0 %), 0.2 km in cuttings (0 %), 532 km on ground level (95.2 %)