Madrid and Segovia. Spain

AP-6 TOLL MOTORWAY. SECTION: VALLE DE LOS CAÍDOS INTERCHANGE - SAN RAFAEL

Client

Castellana de Autopistas, S.A.C.E.

Construction budget

EUR 138 million

Key facts

13 km section of road. Addition of a third lane. Expansion of the toll area. Viaducts and bridges.

Third Guadarrama tunnel: 3.2 km long with 14 escape galleries totalling 2,200 m between the 3 tubes. 124 m2 horseshoe cross-section with an equivalent diameter of 6.3 m.

Construction method: New Austrian Method (NATM) by drill-and-blast.

Geology: granites and gneisses.

Services

Preliminary and detailed designs, and construction control and monitoring.

Awards

Special Mention in the Spanish Institution of Civil Engineering Madrid Chapter Awards 2010.

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