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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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