North - northwest high-speed train line. Guadarrama Tunnel

This is a dual-tube tunnel with a separation of 30 m between axes and a length of 28.4 km. In its longitudinal profile from the Madrid side, the tunnels begin at an altitude of 998 m and reach a maximum of 1,200 m with an average gradient of 1.5%, until subsequently descending to 1,114 m at the exit on the Segovia side with a gradient of 0.9%.

 

  • Name: North - northwest high-speed train line. Guadarrama Tunnel
  • Construction company: Sacyr
  • Client: ADIF
  • Execution dates: February 2002 - July 2009

896,411

Amount (million €)

50%

Stake (%)

10,403

Length (km)

797.372

m³ excavated

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