Tunnels and underground works

ITINERA has many years’ experience in underground construction work in terrain ranging from rock to loose soil, with the aid of pre-support and consolidation works. It has built more than 100 km of road, motorway and railway tunnels.

ITINERA’s extensive experience enables it to resolve successfully every type of geological difficulties, using the know-how of its personnel and specific machinery and systems to set up an effective organisation providing techniques and solutions on a case-by-case basis.

Over the years, ITINERA has acquired expertise in urban subway and underground station construction, using full-face tunnel boring machines. Examples include the Turin and Naples subway systems.

ITINERA also boasts years of experience in the construction and management of underground multi-storey public car parks in cities like Milan and Turin.

  • Client: Gruppo Torinese Trasporti S.p.A.
  • Description: Construction of automatic subway in Turin – Lots 3 and 5 – Collegno-Porta Nuova section (tunnel  length 5.3 km)
  • Location: Turin
  • Client: Autostrade per l’Italia S.p.A.
  • Description: Construction of by pass on Aurelia State Road 1
  • Location: Savona
  • Client: M.N. Metropolitana di Napoli S.p.A.
  • Description: Construction Dante – Garibaldi section and continuation until C.D.N., depot and workshop in Secondigliano, Piazza Dante station and Montesano corridor – Line 1
  • Location: Naples
  • Client: Agenzia Torino 2006
  • Description: Construction of Avigliana tunnel (1,750 m)
  • Location: Avigliana (TO)
  • Client: Dars
  • Description: Construction of Le Trojane tunnel – Celje-Ljubljana motorway (2 tunnels with length of 3,000 m each)
  • Location: Slovenia
  • Client: Provincia Autonoma di Trento e Bolzano
  • Description: Renovation work on Val Badia Road (2 tunnels with length of 3,800 m each)
  • Location: Val Badia
  • Client: S.I.T.A.F. S.p.A.
  • Description: Construction of safety tunnel of Frejus
  • Location: Bardonecchia (TO)
  • Client: Parcheggio Via Manuzio S.r.l.
  • Description: Construction of public underground parking lot for 550 short – term places
  • Location: Milan
  • Client: Parcheggio Piazza Vittorio S.r.l.
  • Description: Construction of 3-level underground parking lot  for 600 short-term parking places
  • Location: Turin