June 1 will sees the opening in Switzerland of the longest and deepest train tunnel in the world. The tunnel extends for 57 kilometres to a depth of up to 2300 metres below the Gotthard massif.
This flagship project for efficient and sustainable transportation on the north-south axis will permit high-speed travel through the Alps in only 17 minutes.
After 17 years of challenging building work, constructor AlpTransit Gotthard Ltd will hand over the completed tunnel to the Swiss Federal Railways on time and on budget.
