en.Wedoany.com Reported - The excavation of the 2-kilometer-long Polcevera ventilation tunnel for the single project of Italy's Terzo Valico dei Giovi–Genoa Junction has been completed. The project is being executed by the general contractor Webuild Group on behalf of the client RFI (FS Italiane Group), with technical support from FS Engineering and supervision by the government's Special Commissioner Calogero Mauceri.

The tunnel excavation was carried out by COSSIC Costruzioni, a subsidiary of the Webuild Group. The company advanced simultaneously on four working faces, a solution that optimized the construction schedule while ensuring the highest operational and safety standards. The tunnel works employed conventional excavation methods.

The works began at the end of October 2024 and overcame significant technical and logistical challenges during construction. The first excavation face required crossing beneath the Genoa-Milan railway line, with excavation taking place just 18 meters from the tracks, while the railway line remained fully operational without interruption or impact. To optimize the schedule, two additional excavation faces were introduced from February 2025, working in opposite directions along the tunnel axis simultaneously. Meanwhile, a fourth excavation face focused on enlarging the tunnel cross-section and constructing underground chambers, which will house the future ventilation system's facilities.

The single project of Terzo Valico dei Giovi–Genoa Junction is part of the European Trans-European Transport Network (TEN-T) Rhine-Alpine Corridor, one of the busiest routes in Europe. The project aims to strengthen connections between Ligurian ports, the industrial base of northern Italy, and the rest of Europe. Upon completion, travel time between Genoa and Milan will be reduced to approximately 50 minutes, while increasing capacity and network reliability. The project will integrate with the existing railway at four key interconnection points (Voltri, Genova Parco Campasso, Novi Ligure, and Tortona) and includes upgrades to the Genoa railway node.

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