Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Works : traffic informations

Roadworks and traffic information

 Chavants and Chatelard tunnels - from March 9th to March 20th :
. Maintenance works in Geneva - Chamonix direction.
. Circulation on one lane (except during the week-end), alternatively on the left or on the right, speed limit is 50 or 70 km/h.
. Special convoys (width >3,5 meters) : authorized only from Mondays to Fridays, between 05:00 am and 07:00 am lundi, ATMB escort is mandatory.