Tunnels by line of communication: Case Studies
Case Studies & Reports
Steel ribs ensure safe advancement of Drumanard Tunnel, USA
North-east of Louisville, Kentucky, USA, the Ohio River Bridges - East End Crossing Project is underway. This project will close the last remaining ... more
The Arlberg Tunnel – Austria’s longest road tunnel
The single tube Arlberg Tunnel is the only east-west connection between Tyrol and Vorarlberg that can be used year-round. With 13,972 m, it is Aust ... more
Construction of Hirschhagen Tunnel, Germany’s second longest motorway tunnel
The construction of the A 44 motorway between Kassel and Herleshausen is an important part of the trans-European motorway network. After its comple ... more
The Petropolis Tunnel ensures fast connections with Rio de Janeiro
Petropolis, which is located about 70 km from Rio de Janeiro, once was the summer residence of the emperor Dom Pedro II. That is why it is also kno ... more
Stabilization of the Vijenac Tunnel in Bosnia
A new motorway is under construction that is designed to improve the infrastructure between Bosnia and Herzegovina as well as Croatia. The project ... more
Brenner Base Tunnel will be the world’s second longest railway tunnel
The Brenner Base Tunnel (BBT) is a joint project built by Italy and Austria along the Munich-Verona axis. The planned 55 km long tunnel will be the ... more
Ceneri Base Tunnel – Switzerland’s third longest railway tunnel
The Ceneri Base Tunnel (CBT) in the canton of Ticino is the third longest railway tunnel in Switzerland. It is the continuation of the Gotthard Bas ... more
Difficult terrain: Tunnelling projects in Bosnia along the A1
The A1 in Bosnia and Herzegovina is a motorway project that will link Budapest with Southern Dalmatia as part of the Pan-European Traffic Corridor ... more
Construction of Goetschka and Freistadt Tunnels
In 2009, construction began on the S10 Muehlviertel Highway in Upper Austria. The new S10 highway connects to the existing Muehlkreis A7 Motorway n ... more
Vía Parque Rímac – Spectacular tunnelling project in Lima
The Vía Parque Rímac Project is an important infrastructure project that is under construction in Lima, the capital of Peru. A 7 km long section of ... more