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Roadworks sites

Putting into service in 1932, the Tunnel du Chat links the region of Chambéry and the Avant-Pays Savoyard. The Savoy Department has owned the structure since 2006. The current works for upgrading to standards the tunnel consist of building a second tunnel for safety alongside the present one. The main tunnel is also going to be modernized…

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How to browse on

Closed roads

  • Click on the icons appearing on the map to know the current closed road.


NB: numbers placed on icons show how many roadworks there are on a given geographic zone. Click several times on the icon to see all the worksites.

Planned closed road

  • Click on “TomorroworLater”, under “TRAFFIC”.

tomorrow or later

The icons are automatically updated.

Then click on them to see all the information.


SMS registration – contact – news

Logo SMS Alert with SMS: Click here to register and choose one or several types of tunnel closed messages.

Logo contact Contact:

Logo info Click here for more information.