Project for the construction of the platform for high-speed line Madrid-Extremadura, Navalmoral de la Mata-Caceres. Section: Grimaldo-Casas de Millán.

• Contracting body: Administrador de Infraestructuras Ferroviarias (Adif).
•  Location: Cáceres (Extremadura).
• Description: Construction of a High-Speed platform with double track of European width electrified with a total length of 6,600 metres and two viaducts: Boquerón stream of 75 metres and Campillo stream of 90 metres. Worthy of note is the execution of the Santa Marina tunnel measuring 3,595 metres, of which 275 metres are in an artificial tunnel and 3,320 metres in a mine. The total excavation is 1,192,105 m3 and the concrete slab 7,169 m3.