Extension of the Gran Vía underground structure of the Madrid metropolitan railway. Suburban connection and accessibility structures
- Contracting body: Community of Madrid
- Location: Community of Madrid
- Description: This action includes three projects. Firstly, extension of the underground structure, then consolidation and structural stabilisation work in view of the serious danger of collapse and, finally, urbanisation of Calle Montera between Gran Vía, Jardines and Calle de Caballero de Gracia.