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    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.

    General Information

    Location
    Madrid, Spain
    Contract type
    Design and construction
    Infrastructure
    Length: 4,650 m, of which 3,435 m were a 9.38-m diameter tunnel
    Year of project completion
    1998

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