Breakthrough reported by Comsa and Obras Subterrí¡neas on 19th November, 2001 on the 1 km south bypass tunnel in El Cortijo on the Castejí³n-Bilbao railway. Design by Esteyco and technical assistance during excavation by Proyex. 49/01.
Permalink
For Currency Converter click HERE
13.11.2025 France
13.11.2025 Germany
13.11.2025 Switzerland
17.11.2025 Romania
20.11.2025 Romania
21.11.2025 Switzerland
21.11.2025 Austria
27.11.2025 Spain
27.11.2025 Switzerland
09.12.2025 Switzerland
09.12.2025 Belgium
09.12.2025 Italy
tunnelbuilder.com is an online news source for tunnelling projects and tunnelling news worldwide. It provides information on tenders and awards as well as providing information of what’s happening in the tunnelling industry.
Access to front page tunnelling news, the buyer’s guide, product promotion and jobs is FREE.
