Webuild Palermo-Catania HC Railway contract https://www.webuildgroup.com/en/media/press-releases/webuild-consortium-wins-1-32-bln-contract-in-sicily-for-fiumetorto-lercara-railway-junction-of-high-capacity-railway-between-palermo-and-catania

Ghella Bane Nor Blix Tunnel source Ghella media release https://ghella.com/en/media/news/ghella-hands-over-longest-railway-tunnel-nordics-bane-nor

Oslo's E6 Rentvannstunnel Project (water tunnel project) Norway City of Oslo drawing.

Brenner Base Tunnel TBM Serena reaches state border between Italy and Austria from BBT se

Torino Lyon High Speed/High Capacity railway tunnel - infographics Webuild.

CSC graphics

Strait of Messina

Trans-European Transport Network (TEN-T) - Mobility and Transport - European Commission Source: Trans-European Transport Network (TEN-T) website.

Image by BBT SE (from their Media Corner)

Image by BBT SE (from Media Corner)