All railway projects
Brenner Base Tunnel
Italy · Europe · Tunnel
Under Construction VerifiedCapex: €10.50B
Project overview
Stretching 55 km beneath the Alps, this monumental rail tunnel will become one of the world's longest underground connections between Italy and Austria. BBT SE is developing the €10.5 billion project, which utilizes ERTMS Level 2 technology to support high-speed passenger trains at 250 km/h and heavy freight by 2032. The system includes two main tubes and a unique exploratory service tunnel designed to optimize maintenance and water drainage.
Type
Tunnel
Country
Italy
Region
Europe
Status
under construction
Investment
€10.50B
Contractors & suppliers
- BBT SEclient_employer · Project development and management
- Strabag SE / Webuild JVtunnelling · Main tunnel, emergency and exploratory tunnel (€377M, Lot H33)
- Webuild / CSC / Implenia JVtunnelling · 22.5 km main tunnel + 38 bypasses (€651M, Lot H41)
- Webuild / Ghella / Oberosler JVtunnelling · 65 km of tunnels (Lot Mules 2-3)
- GEODATAdesign · Final design review and guidelines

