Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Linking France and Italy

The Mont Blanc Tunnel: at the heart of Haute-Savoie, linking France and Italy

The 11.6 km Mont Blanc Tunnel has linked the Chamonix Valley in Haute-Savoie and the Aosta Valley in Italy since 1965. It was built by the companies Autoroutes et Tunnel du Mont Blanc (ATMB) and the Société Italienne du Tunnel du Mont Blanc (SITMB). The work lasted nearly twenty years. Today, it takes about a quarter of an hour to cross the tunnel. At the beginning of the century, it took 3 days to cross the foot of Mont Blanc. After the fire of 1999, 380 million euros were invested to completely rebuild the tunnel, making it a world reference in terms of safety.

Franco-Italian teams for the safety of the Mont Blanc Tunnel

Since its reopening in 2002, the tunnel has been manager by a European Economic Interest Group (EEIG-TMB). It employs 262 people for 11.6km of tunnel. Their missions: to ensure an optimal level of safety and service 24h/24. The EEIG-TMB acts on behalf of ATMB and SITMB who have a contract with the French and Italian States. This establishes the respective obligations of the two companies and the States (in terms of increasing prices, investments to be made, level of service to guarantee…).

Composition and responsibilities of the Mont Blanc Tunnel EEIG

Traffic consisting of 66% of light vehicles

The tunnel is mainly used by light vehicles: they represent 66% of the traffic (2012 figure). The heavy traffic fell by 25% between 1998 and 2012.

Numbers of the traffic in the Mont Blanc Tunnel: