The main road linking Sierre to Vissoie (VS) will remain closed until the middle of next week following a landslide in front of the Pontis tunnel during the night from Monday to Tuesday. A diversion is in place via Chalais and Vercorin.
The rockfall occurred at the exit of the tunnel. One end of the cliff, which is known to be unstable, collapsed, said the head of the mobility department Vincent Pellissier. The protective nets partly played their role, but blocks ended up on the road.
“The first measures have been taken and purging work is underway” in order to secure the road and allow companies to come and clear it, he added. A temporary safety net will be installed on the wall at the tunnel exit and the road is expected to reopen in the middle of next week.
No planned reopening date
“The canton, which is in charge of the work, is doing everything possible to ensure that the road reopens as quickly as possible, before the start of the winter season”, which begins at the end of the month, said the president of the town of Anniviers David Melly.
With this landslide, the Val d’Anniviers is now only accessible by the road passing through Chalais and Vercorin. “The third access has been closed for about a year due to a landslide for which work estimated at 4 million is planned,” recalls Vincent Pellissier.
>> Reread: A landslide near Vissoie cuts the road towards Val d’Anniviers
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