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    Pajares Tunnels, León-Asturias High-Speed Rail Line

    Construction for this tunnel took place between 2004 and 2009. The project consisted of the construction of twin tunnels with a diameter of 8.5 m and a length of 10.67 km.  The project was completed in March 2009.

    7.67 km were excavated using tunnel boring machines, and the remaining 3 km using conventional methods.

    General Information

    Location
    León - Asturias, Spain
    Contract type
    Construction
    Infrastructure
    Construction of twin tunnels with a diameter of 8.5 m and a length of 10.67 km, of which 7.67 km were excavated using tunnel boring machines, and 3 km using conventional methods
    Year of project completion
    2009

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