Weather
Temperature
-°
French tunnel entrance apron
-°
Italian tunnel entrance apron
Mont Blanc Tunnel traffic
04/09/2024 09:40 The tunnel is closed from 02/09/2024 17:00 to 16/12/2024 17:00 due to maintenance works
Weather
Temperature
-°
French tunnel entrance apron
-°
Italian tunnel entrance apron
Mont Blanc Tunnel traffic
04/09/2024 09:40 The tunnel is closed from 02/09/2024 17:00 to 16/12/2024 17:00 due to maintenance works
Closures and forecasts
Closures to traffic
The tunnel is closed periodically to allow safety drills or maintenance work to be carried out. Normally, such closures take place during the night. 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.
Additionally, during some periods of the year, alternating one-way traffic is put into effect for programmed maintenance work, in accordance with the calendar published in advance.
Additionally, during some periods of the year, alternating one-way traffic is put into effect for programmed maintenance work, in accordance with the calendar published in advance.
Traffic forecasts
Traffic forecast are based on historical data, and considering a regular traffic, without any event causing temporary traffic closure, or traffic slowing down due to external factor (ex. police border controls). They are given as an indication.
Select direction and month
00-01
01-02
02-03
03-04
04-05
05-06
06-07
07-08
08-09
09-10
10-11
11-12
12-13
13-14
14-15
15-16
16-17
17-18
18-19
19-20
20-21
21-22
22-23
23-00
Due to the temporary unavailability of the service, for traffic forecasts see the "Traffic forecast" section.
Smooth flowing traffic
High traffic (estimated waiting time more than 30')
Very high traffic (waiting time more than 1 hour)
Critical traffic (estimated waiting time more than 2 hours)
Tunnel closed to traffic of all vehicles (maintenance works or safety drills)
Alternating one-way traffic
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