Maintenance of infrastructure, track, and trackside devices. Madrid-Zaragoza-Barcelona-French border High-speed Line. Scope: Montagut, Villafranca and Sant Feliú bases.

Works for the execution of the superstructure of a new shunting yard in industrial complex.

Modernization of a two-track tram line with a length of about 4 km divided into 3 sections.

Pre-maintenance and maintenance of infrastructure, track, and track devices. North-Northwest Corridor High-speed Line. Sections: Valladolid-Burgos and Venta de Baños-León. Scope: Villada base.

Construction of civil works and complementary executions for the extension of Line 12 of the Collective Transport System Metro. Mixcoac-Observatory section. A total of 4.5 km of tracks including shunting siding, transition zone and induced works.

Construction project of the Mediterranean Corridor railway connection – Madrid-Barcelona-French border High-speed Line. Scope: Tarragona