Temperature

11.1°
French tunnel entrance apron
11.4°
Italian tunnel entrance apron

Mont Blanc Tunnel traffic

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Next total closures to traffic

SEPTEMBER-DECEMBER 2023 - RECONSTRUCTION OF THE TUNNEL VAULT

From the beginning of September to mid-December 2023 - more than 60 years after the construction of this exceptional infrastructure - the Mont Blanc Tunnel will be going on with the complete reconstruction of two portions of the tunnel vault of 300 metres each, making it one of the first major European tunnels to undertake deep renovation work on its structure.
This project will require one total closure of the tunnel for a duration of 15 consecutive weeks
from 5 p.m. on Monday 4, September 2023
to 10 p.m. on Monday 18, December 2023

During this period, please use the recommended alternative routes.
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