The Brenner Base Tunnel (BBT) is a key infrastructure project connecting Fortezza, Italy, to Innsbruck, Austria. Lot H52, the Hochstegen section, involved the construction of 5 km of tunnels, including an exploratory tunnel and main tunnel sections. 

Construction lot H52 Hochstegen has been awarded by  ITA Tunneling Awards in November 2024 in Genua in the category Project of the Year.

IGT and JV partners Geoconsult, Bernard and Pini is responsable for site supervision.