Table 1: Setting of the emergency station all over the world.

Tunnel name Length of the tunnel Number of the emergency station Length of the emergency station Interval of the cross passage Location of the emergency station
Seikan Tunnel 53.85 km 2 480m 40m 23km between two stations
Gotthard Tunnel 57.0 km 2 516m 86m 16km between two stations
Guadarrama Tunnel 28.4 km 1 500m 50m Middle of the tunnel
Wushaoling Tunnel 20.05km 1 560m 70m Middle of the tunnel
Taihangshan Tunnel 27.84km 2 600m 60m 15.6km between two stations