Tunnels by line of communication: Case Studies
Case Studies & Reports
Loboguerrero tunnel chain in Colombia
In the province of Valle del Cauca in western Colombia, a 32 km long federal road is being built between the towns of Mulaló and Loboguerrero. This ... more
New tunnels for Brazil: Piracicaba, Antônio Dias and Prainha
The BR 381 motorway, which links the federal states of Minas Gerais and São Paulo, is one of the most dangerous roads in Brazil. Furthermore, the m ... more
Mandacarú Rail Tunnel increases Brazil’s competitiveness
Brazil, the world's second largest producer and exporter of soy beans after the USA, plans to increase both production and exportation in the years ... more
Tunnel excavation for the Cheves hydroelectric power plant in Peru
In 2010, construction work began at the Cheves hydroelectric power plant that is located on the Huaura River about 130 km north of Lima. Since its ... more
Transolímpica Tunnel, Brasil – New mass transit route for Olympic Games
The Transolímpica bus system is currently under construction in Rio de Janeiro in preparation for the 2016 Olympic Games. The new route is one of t ... more
Reisseck II pumped storage power station in test operation
The increased use of wind energy in Europe is requiring power stations that can adjust to output fluctuations of wind power stations and that can s ... more
Pummersdorf Tunnel: Closing a gap in one of Austria’s most important railway lines
Within the scope of the Westbahn extension, one of the most important railway lines in Austria, a 24.7 km long gap was closed between the towns of ... more
The Albaufstieg: Tunnel construction for high speed rail line
The Stuttgart-Ulm railway project includes several major projects that will shift traffic from the roads to the rails. The existing, winding rail l ... more
The Liberty University Tunnel: USA’s first Jacked Box tunnel
Liberty University is the largest university in Virginia and the largest private non-profit university in the USA. Until recently, the university c ... more
Construction of Prenner Pedestrian Tunnel in Ischgl, Austria
The Prenner Pedestrian Tunnel is located in the centre of Ischgl, Austria and ensures a direct connection of the parking garage in Ischgl's centre ... more