Product name: 

Construction of the Bergara Junction, the convergence point of the three high speed rail branches from Bilbao, San Sebastián, and Vitoria

Description: 

The project includes the Kortazar tunnel (1,971 m, double track) and a 900 m emergency gallery, two viaducts measuring 551 m and 30 m, connections, retaining walls, drainage systems, safety elements, and environmental restoration measures to ensure the project is fully integrated into its natural surroundings.

Web: 

https://www.comsa.com/