Mont d'Ambin base tunnel
Encyclopedia
The Mont d'Ambin base tunnel is the largest engineering work of the Lyon-Turin rail link project. Reconnaissance work began on the French side in 2002 with the excavation of access points at Modane, then Saint Martin la Porte (2003) and La Praz (2005).
will be, when it opens, one of the longest rail tunnels in the world, ranking with the Gotthard Base Tunnel
(57 km) the Seikan Tunnel
(54 km) and the Channel Tunnel
(50 km).
The portals will be in Saint-Jean-de-Maurienne
on the French side and Susa on the Italian side.
The cost of the joint Franco-Italian section (from Saint Jean de Maurienne to Val de Suse) is estimated at 9 975 M€ (in value January 2010). The cost will be borne by the French and Italian governments, and from EU funds.
The tunnel will be used by freight trains, freight shuttles and high speed passenger trains, the latter operating at up to 220 km/h.
Characteristics
Following the cancellation of the original project the tunnel alignment has been changed, the new length will be 57 km. This tunnelTunnel
A tunnel is an underground passageway, completely enclosed except for openings for egress, commonly at each end.A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers...
will be, when it opens, one of the longest rail tunnels in the world, ranking with the Gotthard Base Tunnel
Gotthard Base Tunnel
The Gotthard Base Tunnel is a new railway tunnel beneath the Swiss Alps, expected to open in 2016. With a route length of and a total of of tunnels, shafts and passages, it is the world's longest rail tunnel, surpassing the Japanese Seikan Tunnel....
(57 km) the Seikan Tunnel
Seikan Tunnel
The Seikan Tunnel is a railway tunnel in Japan, with a long portion under the seabed. Track level is about below seabed and below sea level. It travels beneath the Tsugaru Strait—connecting Aomori Prefecture on the Japanese island of Honshu and the island of Hokkaido—as part of the Kaikyo Line...
(54 km) and the Channel Tunnel
Channel Tunnel
The Channel Tunnel is a undersea rail tunnel linking Folkestone, Kent in the United Kingdom with Coquelles, Pas-de-Calais near Calais in northern France beneath the English Channel at the Strait of Dover. At its lowest point, it is deep...
(50 km).
The portals will be in Saint-Jean-de-Maurienne
Saint-Jean-de-Maurienne
Saint-Jean-de-Maurienne is a commune in the Savoie department in the Rhône-Alpes region in south-eastern France. It is a sub-prefecture of the department....
on the French side and Susa on the Italian side.
The cost of the joint Franco-Italian section (from Saint Jean de Maurienne to Val de Suse) is estimated at 9 975 M€ (in value January 2010). The cost will be borne by the French and Italian governments, and from EU funds.
The tunnel will be used by freight trains, freight shuttles and high speed passenger trains, the latter operating at up to 220 km/h.
See also
- Lyon Turin FerroviaireLyon Turin FerroviaireLyon Turin Ferroviaire , subsidiary of Réseau Ferré de France and Rete Ferroviaria Italiana , is the promoter of the joint French-Italian part of the future rail link between Lyon and Turin....
- AlpTransitAlpTransitAlpTransit, also known as New Railway Link through the Alps NRLA , is a Swiss federal project aimed to build faster north-south rail links across the Swiss Alps by constructing base tunnels several hundred metres below the level of the current tunnels...
- Brenner Base TunnelBrenner Base TunnelThe Brenner Base Tunnel is a planned long railway tunnel through the base of the Brenner massif. It will run from Innsbruck Hauptbahnhof in Austria to Franzensfeste in Italy, replacing part of the current Brenner railway...
- List of tunnels