Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Works : traffic informations

Roadworks and traffic information

- Near the town "Les Houches" - in Chamonix > Le Fayet direction - Friday, 29th of August:
. Due to the sport event called "The North Face Ultra Trail Mont Blanc", traffic will be regulated as follows :
From 4 pm to 8 pm : circulation on one lane and speed limit 50 km/h. From 5:30 pm to 7 pm : interchange nr. 27 closed to traffic in Chamonix > Le Fayet direction : take the exit nr.29 (La Georgeanne) or nr. 26 (Les Trabets.