High Speed North-Northwest Corridor. Substretch Perilla de Castro-Otero de Bodas. Platform.
- Contracting body: Sociedad Estatal de Infraestructuras del Transporte Terrestre (SEITT) (state-owned land transport infrastructure manager)
- Location: Zamora (Castilla and León).
- Description: Construction of a 3.26 kilometre stretch of High-Speed Lines. Along the layout run four viaducts, two false tunnels, eighteen overpasses and twelve underpasses, which represent 41.14% of the infrastructure. All of the material from the excavations is reused in the construction of embankments (2,806,823 m3) and in the backfill of the false tunnels.