Construction of 2nd lane of the Priero-Rivere section – Lot n° 11

Construction of motorway lot including essentially:

– A gallery for a length of 1,800 lm. Excavation of the tunnel was preceded by the creation of a pilot tunnel using a tunnel boring machine (TBM) Ø 3.50. Specialist consolidation works were carried out from the tunnel

– Hydraulic collection and canalisation works on the Rio Cevetta