Railway Operators: SNCF Réseau (66.7 %), HS1 Ltd (22 %), Groupe Eurotunnel (10.3 %), Network Rail (0.3 %), Eurotunnel (0.2 %), SNCF Voyageurs;Eurostar (0.1 %), SNCF Mobilités (0 %), N/A (0.4 %)
Railway Users: passenger traffic (11.2 %), N/A (88.8 %)
Electrification: 25000 V / 50 Hz AC (100 %)
Structures: 81.7 km in tunnels (16.7 %), 17.4 km on bridges (3.6 %), 2.1 km on embankments (0.4 %), 2.2 km in cuttings (0.4 %), 386.9 km on ground level (78.9 %)
Gaps in Route:
0