Railway Operators: SNCF Réseau (66.9 %), HS1 Ltd (18.4 %), Groupe Eurotunnel (10.3 %), Eurotunnel (0.3 %), SNCF Voyageurs;Eurostar (0.1 %), Network Rail (0 %), N/A (4.1 %)
Railway Users: passenger traffic (14.7 %), N/A (85.3 %)
Electrification: 25000 V / 50 Hz AC (100 %)
Structures: 81.6 km in tunnels (16.6 %), 17.8 km on bridges (3.6 %), 1.3 km on embankments (0.3 %), 2.2 km in cuttings (0.4 %), 387.4 km on ground level (79 %)
Gaps in Route:
0