Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Road works and traffic restrictions


The Mont Blanc tunnel is open 24 hours a day all year long.

- To allow maintenance works, traffic inside the tunnel will be set with a contraflow during the following nights, from 10:30 pm to 06:00 am:

. from April 13th to 15th, 2015.

- To allow maintenance works, the tunnel will be closed to traffic during the following night, from 11:30 pm to 04:30 am:

. from April 16h to 17th, 2015.

as follows :

Possible inconvenience from 09:00 pm to 10:00 pm and from 06:00 am to 07:00 am due to the transit of any vehicles under escort.

Learn more

Heavy goods vehicles:

Download the road closure timetable for France and Italy

For information on the tunnel maintenance conditions :
- Autoroute Info FM 107.7 / ISO RAI FM 103.3

Learn more

See the Mont Blanc Tunnel webcams:
- Entrance by italian side
- Entrance by french side