Digging began in November 2012 at the Monumentale station for a length of 1930m, before completing the tunnel at Pozzo Orafi, having crossed 3 intermediate stations (Cenisio-Gerusalemme and Domodossola).
In March 2013 Tunnels reported that TBM S-238 was at 756.38m, 34 per cent of the tunnel.
TBM S-388 finished excavation at the Pozzo Orafi station on 15 June 2013.
