Type of work


Railway line new access to Asturias



  • Length of civil infrastructure executed: 37 kilometers.
  • Tunnels length: 36.7 kilometers. Double tube.
  • Viaduct length: 0.3 kilometers.
  • Individual Projects: Pajares Tunnels Lot 1 and Pajares Tunnels Lot 5.
  • Track assembly contract between La Robla and Campomanes was added to the Pajares tunnels project: Eighty-two kilometers of different track typologies: ballasted track, slab track, precast slab track...