MONT SION TUNNEL
10/10/2012
Type:
Case studies
5 pages
A new tunnel was planned to be drilled at Mont Sion on the A41 nord motorway, linking Annecy to Geneva. The originality of this project is that Bouygues Construction, in charge of drilling the tunnel, was involved in the designing of the tunnel boring machine (TBM) that would be used on site.