Construction of 57.5 km Mont Cenis Tunnel Between France and Italy Underway, Targeting 2033 Completion (xataka.com)

• Cost €11.1 billion, 30% over 2015 estimate; EU provides 40%
• Paris-Milan rail time cut from 7 to 4.5 hours
• Target opening 2033; 3,300 workers on site

"Excavation of the Mont Cenis base tunnel, the centerpiece of the Lyon-Turin rail link and the Mediterranean Corridor of the trans-European transport network, is progressing. The tunnel consists of two parallel single-track tubes each 57.5 km long. Project cost is €11.1 billion, 30% above the 2015 estimate, with funding split: 40% EU, 35% Italy, 25% France. Travel time between Paris and Milan will drop from seven to four and a half hours, and freight is expected to shift from road to rail. Completion is targeted for 2033."