The Mont Blanc tunnel:
an international tourist and economic communication axis since 1965
Inaugurated in 1965, the Mont Blanc Tunnel is an international communication link between France and Italy that has decided importance for economic, social and cultural relations at the European level. The tunnel has a fundamental role in promoting the development of tourism and exchanges between the valleys of Courmayeur and Chamonix.
Tunnel features
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Date of opening to traffic: 19 July 1965
Length: 11.6 km
Width at the base: 8.6 m
Width of the carriageway: 7 m
Width of the pavements: 0.80 m
Altitude of the entrance aprons: 1274 m (France) and 1381 m (Italy)
Maximum altitude: 1395.5 m (halfway through the tunnel)
Vertical thickness of the rock: over 2 km (along more than half its length)
Crossing time: 12 minutes at 60 km/hr
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Plan of the tunnel
 Plan of the tunnel (3 987 Ko)
Plan of the tunnel entrance apron areas
North apron area (1 858 Ko)
South apron area (1 717 Ko)
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