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Tunnel du Mont-Blanc

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Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Tunnel du Mont-Blanc
Phone:
+33 4 50 55 55 00

Address:
Tunnel du Mont-Blanc, 74400, Chamonix, France

The Mont Blanc Tunnel is a highway tunnel in Europe, under the Mont Blanc mountain in the Alps. It links Chamonix, Haute-Savoie, France with Courmayeur, Aosta Valley, Italy, via European route E25, in particular the motorway from Geneva to Turin . The passageway is one of the major trans-Alpine transport routes, particularly for Italy, which relies on this tunnel for transporting as much as one-third of its freight to northern Europe. It reduces the route from France to Turin by 50 kilometres and to Milan by 100 km . Northeast of Mont Blanc's summit, the tunnel is about 15 km southwest of the tripoint with Switzerland, near Mont Dolent. Begun in 1957 and completed in 1965, the tunnel is 11.611 km in length, 8.6 m in width, and 4.35 m in height. The passageway is not horizontal, but in a slightly inverted V, which assists ventilation. The tunnel consists of a single gallery with a two-lane dual direction road. At the time of its construction, it was three times longer than any existing highway tunnel.The tunnel passes almost exactly under the summit of the Aiguille du Midi. At this spot, it lies 2,480 metres beneath the surface, making it the world's second deepest operational tunnel after the Gotthard Base Tunnel, which is slightly deeper. The Mont Blanc Tunnel was originally managed by two public companies, each managing half of the tunnel: the French Autoroutes et tunnel du Mont-Blanc and the Italian Società italiana per azioni per il Traforo del Monte Bianco . Following a fire in 1999 in which 39 people died, which showed how lack of coordination could hamper the safety of the tunnel, all the operations are managed by a single entity: MBT-EEIG, controlled by both ATMB and SITMB together, through a 50–50 shares distribution.
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