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A 12 billion euro mega-tunnel
The advantages of the Gotthard Base Tunnel
Saving time with the high-speed line
How the base tunnel works
An ultra-secure tunnel
Technical challenge 1: Finding the right route
Building the tunnels and access shafts
Tunnel boring machine attack
Challenge 2: The Sedrun section
Challenge 3: Consolidating the railway tunnel vault
Building the railway installations
The threat of the Mont Cenis base tunnel
THE LONGEST RAIL TUNNEL IN THE WORLD FORMS THE HEART OF THE NEW ALPTRANSIT RAIL LINK (NRLA)
THE 57 KILOMETRE LONG GOTTHARD-BASE TUNNEL IS SOMETHING SPECIAL.
IT IS THE LONGEST RAIL TUNNEL IN THE WORLD AND IT CROSSES ONE OF HIGHEST MASSIFS IN THE ALPS.
THE GOTTHARD BASE TUNNEL IS A FURTHER MILESTONE IN THE LONG AND COLORFUL STORY OF THE GOTTHARD.
152 KILOMETRES TUNNEL SYSTEM IN THE ROCK 17 YEARS CONSTRUCTION PERIOD (EXCLUDING EXPLORATORY WORK)
WATERPROOFING
Godward-Based Tunnel Switzerland 57 1 Kilometers the God Red Base Tunnel
Second Tunnel Japan 53 85 Kilometers the Second Tunnel
Channel Tunnel United Kingdom
Lottsburg-based tunnel switzerland 34 57 kilometers the lotter base tunnel
Lerdal Tunnel Norway 24 51 Kilometers
Boomshan Tunnel Taiwan 12 94 Kilometers the Sunshine Tunnel
Hulim Tunnel China 1 2 Kilometers the Guillain Tunnel
Ixan Tunnel Norway 7 8 Kilometers the Ixen Tunnel
The Jinjiazhuang spiral tunnel in N China has entered Guinness World Records
the world's longest'spiral highway tunnel
The 4, 100-plus-meter-long tunnel is a key project of Yanchong expressway linking Yanqing and Chongli,..
The tunnel has been called an "impossible" project d ue to constructing challenges
It is expected to complete and open this year