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Experience

List Map

Meagas Tunnel

The Meagas tunnel is located on the Bilbao-Donostia line, within the municipality of Getaria, and has a daily traffic of trains belonging to the E1 line of Euskotren. The E1 […]

Project for the treatment of infrastructure elements between K.P. 019+798 and 028+183 of the Monforte - Lugo section.

The line between Orense and Lugo is made up of two different sections of single-track Iberian gauge (1,668 mm) railway lines with their common point in Monforte de Lemos: Orense-Monforte […]

Kortazar tunnel. Vitoria-Bilbao-San Sebastián High Speed Line

The Kortazar tunnel is located within the Mondragón – Elorrio – Bergara section, Sector 3, of the Vitoria-Bilbao-San Sebastián High Speed Line. The route runs from West to East and […]

Aduna Tunnel. New Railway Network in the Basque Country. Section: Zizurkil-Andoain

The length of the Aduna Tunnel is 4690 m. Nortúnel excavated from the mouth on the Andoain side a mine tunnel with a length of 1479 m, with an excavation […]

Vilavella Tunnel. LAV Madrid – Galicia. Section: Canda – Vilavella Tunnel.

The Vilavella tunnel comes with two tunnels with a length of 902 m and 869 m. Both tunnels have a single lane road, with a truncated circular section of 52 […]

Hernani Tunnel. LAV (Y Vasca) Section: Urnieta – Hernani

The Hernani tunnel has a mine length of 749 m with an excavation section of some 120 m². It’s free section is 95 m². The materials that were cut through […]

Olabarrie Tunnel. LAV (Y Vasca) Section: Durango – Amorebieta

The Olabarrie tunnel has a length of 986 m. It is a two-way tunnel with an 85 m² type section. The excavation takes place with perforation and blasting using mechanical […]

Urzelai Tunnel. LAV (Y Vasca) Section: Durango – Amorebieta

The two-way Urzelai tunnel has a 95 m² type section and a length of 575 m. This tunnel affects the cretaceous materials, both in the CLu formation (black lutites and […]

The Murón Tunnel. Levante High Speed Train Access (AVE). Section: Aspe – El Carrús

Tunnel with a length of 1,456 m with an excavation section of some 120 m². Completed following the NATM, via blasting and mechanical means (backhoe) on cemented conglomerates, clay and […]