Convensa, Contratas y Ventas, has collaborated in the execution of approximately 70 kilometers of infrastructure of the Madrid Metro, of which more than 25 km correspond to a tunnel executed with a tunnel boring machine, and including the construction, by the Cut & Cover method, of all the stations included in the stretches executed. Nearly 80 kilometers of double track have been installed, most of them via plaque.
The company has executed a quarter of Metrosur, which has been the largest Metro expansion carried out in Madrid serving one million inhabitants and constituting a constructive milestone for the company in suburban transport.
Main works executed:
| Metrosur. Sections II and III |
| Extension of platforms in Sun-Line 3 |
| Renewal of rail support elements of Line 8 of the Madrid Metro |
| Modernization and implementation to life to Pavones station |
| Renewal of rail support elements in Madrid Metro Line 12. |
| Track and diagonal renewal between Opera-La latina Stations (Madrid Metro Line 5) |
| Renewal and replacement of the diagona between Goya and Velázquez Stations (Madrid Metro Line 4) |
Main works in execution:
- Maintenance of the support and guidance system
- Renewal of three stations of Madrid Metro Line 4 (Esperanza, Prosperidad and Arturo Soria)