Mont Blanc Motorways and Tunnel Mont Blanc Motorways and Tunnel

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Works : traffic informations


- Etrembières/ Gaillard (A40) and Annemasse-Gaillard access road (A411)- from July 15th to 22nd
. Road works : restoration of the road coating joints.
. Traffic conditions :
Circulation on one lane - July 15th and 16th from 9:30 to 6:00 pm, in the Chamonix > Mâcon direction.
Nights of July 17th and 18th, July 21st and 22nd, between 8:30 pm and 6:00 am :
A411 closed to traffic in the Chamonix > Geneva direction.
Exit road of A40 (Douane de Vallard/ Gaillard) closed to traffic.
Entrance road of interchange nr.14 closed (roundabout near the shopping mall ’Migros’) in the Geneva direction.
Deviation routes will be set via the secondary network.

- Pont d’Etrembières- from July 15th to 23rd :
. Type of work: restoration of the road coating joints + new road coating of Etrembières bridge over a distance of 500 m and detour route through the Vallard Customs post.
. Traffic Conditions :
Motorway closed at night in the Chamonix > Lyon direction.
One lane closed in the Chamonix > Geneva direction for 2 km.

- Scientrier / Bonneville - Geneva > Chamonix direction - from June 2nd to July 12th
. Type of work : road coating restoration between interchange A40/A410 (Scientrier) and exit nr.17 (Bonneville-East), from 7:30 pm to 6 am.
. Traffic conditions : from 7:30 pm to 6 am :
.From June 2nd to 7th and from June 10th to 14th : Annecy/Chamonix access road (interchange A410/A40) closed to traffic, take the detour route set via the secondary network until interchange nr. 19 (La Roche-sur-Foron).
.From June 16th to 21st and from June 23rd to June 25th : exit nr.16 (Bonneville-West) will be closed to traffic. Take the detour route set via interchange nr.17 (Bonneville-East).
.From June 25th to 28th and from June 30th to July 5th : entrance nr. 16 will be closed to traffic. Take the detour route set via Bonneville-center until interchange nr. 17 to go back onto the motorway. Exit nr.17 will also be closed, a detour route will be set via interchange nr.16.

- Bardonnex viaduct - St-Julien-en-Genevois - from June 2nd to August 19th
. 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