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Mont Blanc tunnel full closure from September to mid-December 2023

We would like to inform you about the total closure of the Mont Blanc Tunnel managed by TMB-GEIE. From the beginning of September to mid-December 2023 – mo

Jan 25, 2024

We would like to inform you about the total closure of the Mont Blanc Tunnel managed by TMB-GEIE.

From the beginning of September to mid-December 2023 – more than 60 years after it was built – the operator of the Mont Blanc Tunnel is carrying out a major project to reinforce two 300 meter-long portions of the vault – the first such structural work on a major European tunnel.

This renovation requires the total closure of the tunnel for 15 consecutive weeks.

  • Starting on Monday 4 September 2023 at 17.00
  • Ending Monday, 18 December 2023 at 22.00

During this time, please use the alternative routes recommended in the link below.

https://tunnelmb.net/en-US/news/september-to-december-2023-reconstruction-of-the-tunnel-vault