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Spain

Spain, La Rioja - es/76

Railway Bypass

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.



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