Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Works : traffic informations

Roadworks and traffic information

- Les Houches / Passy - dans les 2 sens - du 27 octobre au 14 novembre :
. Travaux : tirage d’énergie et de fibre optique.
. Aménagements de circulation :
Du 27 octobre à 7h au 30 octobre à 18h - dans les 2 sens : circulation sur 1 voie pendant 4 km, vitesse limitée à 50 ou 70 km/h.
Du 31 octobre au 14 novembre - sens Chamonix > Genève : circulation sur 1 voie, vitesse limitée à 50 ou 70 km/h.

- Châtelard and Chavants tunnels – in the Geneva > Chamonix direction - from September 22 to November 7 :
Type of work: maintenance work including security equipments.
Traffic conditions :
Traffic on one lane near / in both tunnels onto 5 km.
Speed limit : 70 km/h at road works and 50 km/h in both tunnels.
Overtaking strictly forbidden. 3.5 m) are strictly forbidden throughout the road works zone, unless escorted by ATMB. ATMB escort can be set on Mondays, Tuesdays, Wednesdays, Thursdays and Fridays from 5 am to 7 am and from 7 pm to 9 pm. ATMB services to contact 3 days before the convoy to plan escort conditions.

- ’Les Houches’ service area - from September 1 to December 19 :
. Restoration works in order to improve customer reception and service.
. During the works period : the main building will get closed but a shop and toilets will be temporarily set up. Oil distribution will remain available except from September 16 to 19 in the morning.