Payment for the Mont Blanc tunnel and for ETC subscriptions for light vehicles is made directly at the toll plaza. The payment of the Tunnel and the subscription of a subscription are made directly to the toll.

The tunnel is closed periodically to allow safety drills or maintenance work to be carried out. Prior warning of these closures is given in the press, in material distributed at the toll booths, on the Tunnel website and the TMB Mobility app.

17 minutes
Length: The tunnel is 11.6kms. Width: 8.6 metres. Journey Time: 17 minutes.

If your desire to avoid the Mont Blanc tunnel is to avoid expensive tunnel tolls, your best route might be to cross the Mont Cenis pass. This route is basically the same as the Frejus tunnel route, but you leave the autostrada at Susa and join the French autoroute at Modane after crossing the pass.

Yes, the Mont-Blanc Tunnel is always open. However, traffic may be interrupted to allow a safety exercise to take place or for maintenance work to be carried out.

31 mi
Channel Tunnel/Length

It is 50.5km long and comprises an undersea section of 38km, still the longest in the world. They are used by Eurotunnel Passenger and truck Shuttles, high-speed passenger Eurostar trains and rail freight trains.

Is the Mont-Blanc Tunnel open 24 hours a day? Yes, the Mont-Blanc Tunnel is always open. However, traffic may be interrupted to allow a safety exercise to take place or for maintenance work to be carried out. These interruptions are normally programmed to take place during the night hours.

39
Mont Blanc tunnel fire

Mont Blanc Tunnel

24.5 km
At 24.5 km (15.23 miles) long, the Lærdal Tunnel is the longest road tunnel in the world, meaning it’s the longest tunnel that you can drive through.