UNDERGROUND CIVIL WORKS Tunnel Drilli and Blast works. AVE Madrid - Galicia. Section: Prado Tunnel Left Track Tunnel Drilling and Blasting. AVE Madrid - Galicia. Section: Prado Tunnel Right Track. Tunnel drilling and blasting. AVE Madrid - Galicia. Section: Corga de Vela tunnel Construction Project to Adapt Mamariga Tunnels in Road N-644 (Bizkaia) Maintenance of Adif’s Infrastructure and Conventional Network Railway, Lot 3 Northern Completion works of the Amorebieta-Muxika Section. Urdinbide tunnels Road tunnels. N-232. Teruel Road Tunnel Bogotá - Vilavicencio. Colombia High Speed Railway. Ezkio-Itsaso and Beasain section High Speed Railway. Amorebieta - Etxano and Lemoa section New accesses to Bilbao through San Mamés Drilling works in Pajares tunnel. Southern Lot Callosa tunnel. High Speed Railway of Levante Gainzabala tunnel. Bermeo road bypass Road tunnels. Gerediaga - Elorrio Highway High Speed Railway. Legorreta section Bilbao Underground. Line 3. Uribarri section High Speed Railway. Escoriaza – Aramaio section Bilbao Underground. Line 2. Ariz – Basauri Section Arraiz Tunnel. Metropolitan Southern Bypass Consolidation Works on Sagarbide and Baiona railway tunnels Arnotegi Tunnels, Bilbao South By-pass BACK
