Precise knowledge of mountain structure and the qualities of rock are key to tunnel building. Geological…

2007, the BLS commences operations in the new tunnel. The control centre in Spiez monitors the tunnel and the…

endanger construction of the entire tunnel. During the planning phase, the Piora Basin had been investigated…

After ten years in operation, the Lötschberg Base Tunnel has notched up some impressive figures. It is used by…

The first detailed construction project for a Gotthard Base Tunnel is drawn up in the first half of the 1970s.…

Gotthard line comes into being largely thanks to Basel’s pursuit of its own political interests, new tunnel…

goals of the NRLA. The Porta Alpina would have connected Sedrun and the Surselva to the Gotthard Base Tunnel…

light for construction of the new Arth-Goldau-Lugano line including the Gotthard and Monte Ceneri tunnels, as…