- ACCIONA
- Projects
- Construction
- Railways and Tunnels
- Madrid Metro Line 7 Canal-Valdezarza
A total of 4 stations were built, including the Guzmán el Bueno cavern station, which was constructed using the German method for tunnel boring, and which is completely integrated with the city, beneath a dense urban area.
Design and construction of the high-speed urban train in San Juan, running from Rio Bayamón via Centro Médico to Villa Nevarez and Hato Rey.
The longest tunnel excavated from a single entry point and the ninth longest in the world.
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