Official summary · Español
What is being procured?
Obra de la Variante Sur Ferroviaria de Bilbao. Fase 1. Tramo: Río Castaños - Túnel Baxatxu
Source and reliability
Source: official TED notice 532162-2026, last checked Aug 21, 2026, 7:08 PM. The original publication remains authoritative.
Data is restructured for easier reading. The official notice and procurement documents always prevail.