León–Asturias High-Speed Line. Pajares Tunnels Section. Phase 2
BUSINESS AREA:  Construction
PROJECT TYPE:  Railway tunnels
START DATE:  05 / 2004
END DATE:  04 / 2011
CLIENT:  Administración Infraestructuras Ferroviarias (ADIF)
LOCATION:  Asturias (Spain)
LENGTH:  9.705,00 m.
SECTION:  56 m²