A total of 4 stations were built, including the Guzmán el Bueno cavern station, which was constructed using the German method for tunnel boring, and which is completely integrated with the city, beneath a dense urban area.

General Information

Location
Madrid, Spain
Contract type
Design and construction
Infrastructure
Length: 4,650 m, of which 3,435 m were a 9.38-m diameter tunnel
Year of project completion
1998