Welcome to Coalvi

COALVI’s values

Efficiency and innovation.

Excellent technique.

Permanent commitment to safety, quality, and the environment.

COALVI, S.A. is Aldesa Group’s company that specializes in construction, repair, conservation, and modernization of railway works: track, electrification, tunnels and infrastructures.

The railway activity par excellence of the company is the maintenance of both conventional and high-speed track.

The company owns a large fleet of specific machinery, both heavy and light, that require different jobs on the track and in the catenary: plain line and track device tampers, roll forming machines, portal frames for replacing switches, locomotives, trailers and platforms, railway trucks, etc.

Project specialties

Coalvi Projects

July 9, 2024

Maintenance of High-speed lines: Zaragoza-French border

Maintenance of infrastructure, track, and trackside devices. Madrid-Zaragoza-Barcelona-French border High-speed Line. Scope: Montagut, Villafranca and Sant Feliú bases.
July 9, 2024

Superstructure of a shunting yard

Works for the execution of the superstructure of a new shunting yard in industrial complex.
July 9, 2024

Modernization of the tram in Gdansk

Modernization of a two-track tram line with a length of about 4 km divided into 3 sections.
July 9, 2024

Maintenance of High-speed lines: Madrid-Basque Country-French border and North-Northwest Corridor

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.
July 9, 2024

Construction of garages for the expansion of the urban electric train system in the metropolitan area of ​​Guadalajara

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.
July 9, 2024

Construction of a section of the new plan of the Mediterranean Corridor

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

Our values define our philosophy. Trust us to carry out your projects.

- Coalvi