Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Works : traffic informations


- Near the town of Nangy - in both directions - during the nights of August 4 and 5:
. Type of work : in order to secure the access to interchange nr.15 (’Vallée Verte’), markings and a highway sign are planned to be installed near Nangy tollbooths.
. Traffic conditions :
. from August 4 to 6 (excluding hours of peak in traffic) : circulation on one lane in both directions.
. Night of August 4 to 5 - in the Chamonix > Geneva direction : motorway will be closed to traffic between interchange nr. 15 and Annemasse city, a deviation route will be set up via the secondary network from exit nr. 15 to entrance nr. 14.1 onto A411 (Gaillard).

- Saint-Pierre-en-Faucigny - in Geneva > Chamonix direction - night of August 12 to 13 - from 11 pm to 6 pm:
. Type of work : restoration of a traffic counting ’buckle’.
. Circulation : motorway will be closed to traffic near interchange nr.16 (West Bonneville), a deviation route will be set up accordingly : take the exit nr. 16, in La Roche-sur-Foron direction, turn around on the roundabout of the ’Jourdies’ area and go back on the motorway via entrance nr. 16.

- Scionzier - Exit nr.18 closed to traffic from July 28 to August 29 in the Geneva > Chamonix direction
. Type of work : road coating restoration and renovation of the bridge which steps across the motorway.
. Traffic conditions :
Deviation routes are set via exit nr. 17 (Bonneville East) and exit nr. 19 (Cluses East).

- Bardonnex viaduct - St-Julien-en-Genevois - from June 2 to August 19
. Type of work: viaduct road restoration
. Traffic conditions : traffic on 2 lanes from 6:30 am to 3:30 pm in the Switzerland > France direction and from 9:30 am to 8 pm in the opposite direction.

- Scionzier Tollbooth - from April to September
Type of work :
Building of a carpool parking area and two additional electronic toll lanes.
Traffic conditions :
. Toll lanes occasionally closed.
. Exit nr.18 will be closed for 5 weeks from July 28th to August 29th.

- Cluses, Nangy and Viry tollbooth areas - from April to November
Type of work :
Installation of picnic tables, footpaths, green areas.
Traffic conditions :
No impact on traffic flow. Parts of the service areas will be temporarily closed.

- As for toll rates, the Ministry of Ecology, the Ministry of Sustainable development and Energy, which we depend on, do not authorize us to lower the toll rates which are fixed by their departments. Learn more on toll rates

Infos pratiques

For information on traffic management :

Free, call Monday through Friday from 7h30 a.m. to 7h00 p.m. and Saturday 8h30 a.m. at 1h00 p.m.

- Autoroute Info FM 107.7