facts and figures

  • Length: 57 kilometres (the longest rail tunnel in the world)
  • 152 kilometre tunnel system in the rock
  • Tunnel transit time: just 20 minutes for passenger trains
  • Tunnel capacity: up to 260 freight trains and 65 passenger trains per day
  • Maximum speed: Freight trains 160 km/h, passenger trains up to 250 km/h
  • 60 minutes faster from Zurich to Milano
  • Two single-track tunnel tubes, connected every 325 metres by cross cuts
  • Tunnel summit: 500 m above sea level
  • Maximum rock cover: 2,300 metres
  • Construction period (excluding exploratory work): 17 years
  • 28.2 million tonnes of material excavated
  • Main tunnels drilled with tunnel boring machines (80%) and blasted (20%)
  • 43,800 hours working non-stop to lay the ballastless track
  • Qualification process 1996 – 2002 with extensive tests and prior investment of over 3 million CHF
  • Total cost of the NRLA with Lötschberg, Gotthard and Ceneri Base Tunnels: CHF 18.2 billion (1998 prices excluding inflation, VAT and building loan interest; effective total cost: about CHF 23 billion)
  • Project participants: 2,600 people
  • Gotthard Base Tunnel commissioning: 11 December 2016