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Bilbao, Spain See on Google Maps
The extension of Line 2 was carried out over a 920-m section between 2001 and 2004, including the construction of the 108-m long Sestao cavern station below the Gran Vía.

The project was carried out using the NATM (New Austrian Tunnelling Method) conventional tunnelling method, excavating the rock by mechanical means in an urban area with several services and maximized integration in the city.

GENERAL INFORMATION

  • Location: Bilbao, Spain.
  • Contract type: Design and construction.
  • Infrastructure: Extension of Line 2 over a 920-m section, including the construction of the 108-m long Sestao cavern station.
  • Year of project completion: 2004
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