Construction work has begun on the Italian section of the 57.5 km Mont-Cenis Base Tunnel, which will form part of the Lyon – Turin high-speed rail (HSR) line. Work on the 12.5 km Italian section of the Mont-Cenis Base Tunnel is being realised by a joint venture (JV) of Itinera, Ghella, and Spie Batignolles for the Tunnel Euralpin Lyon Turin (TELT) project promoter at a cost of €1 billion.
