Below, a choice of some projects under execution.
> Railways. Spain.
Mediterranean Corridor - High-Speed Line between Murcia and Almería. Níjar-Río Andarax section. Railway substructure and civil works. The project comprises a 25.5 kilometre section of the Murcia-Almería High-Speed Line in Spain. It runs between the towns of Níjar and Almería, and involves the execution of earthworks, 16 viaducts, an 880-meter bored tunnel, 56 drainage culverts, 9 underpasses and 4 overpasses. The most notable structure is the viaduct over the Andarax River, with a total length of 1.414 meters long.
Mediterranean Corridor - High-Speed Line between Murcia and Almería. Totana-Lorca section. Railway substructure and civil works. The project consists in the construction of 7,5 kilometers of new double-track high-speed line, including earthworks, the construction of one viaduct, five overpasses and one underpass, a new station at Lorca-San Diego, the expansion of La Hoya Station, extensive utility-relocation works.
Mediterranean Corridor - High-Speed Line between Murcia and Almería section. Totana-Totana section. Railway substructure and civil works. The project comprises a 10-kilometre section of the Murcia-Almería High-Speed Line. It involves earthworks, six viaducts (one 954 m long over a motorway), four overpasses, two underpasses, and the construction of a new station in the municipality of Totana.
Madrid-Basque Country-French Border High-Speed Line. Pancorbo–Ameyugo Subsection. Railway substructure and civil works. Construction of 8.4 kilometres of high speed railway platform, including 5.2 kilometres of tunnels excavated using the New Austrian Tunnelling Method (NATM), and 1.3 km of post tensioned in situ concrete viaducts, with decks executed using different construction methods: launching gantry, falsework bents and full support falsework.
Track assembly and storage base of the Murcia-Almería High-Speed Line. Murcia-Lorca section. Construction of a base for the supply of materials and ballast required for the installation of track on the Murcia-Almería High-Speed Line.
Track assembly and storage base of the Madrid–Extremadura High Speed Line. Talayuela–Plasencia section. Construction of a base for the supply of materials and ballast required for the installation of track on the Madrid–Extremadura High Speed Line.
Valladolid Railway Network. East Section. Civil and track work. Spain. This project comprises a total of 17.5 kilometres, with two branches at the initial section and two temporary connections to the existing line at both ends. A Iberian-gauge bypass mainly for freight transport will be constructed, where a new Railway Complex will be located. The section includes one viaduct, five underpasses, eight overpasses and a pedestrian footbridge. The most unique distinctive structure is the Los Tramposos Viaduct, with a total length of 1,130 metres.
Eastern Railway Bypass of Valladolid. Track construction and electrification. Execution of the track works and the overhead contact line required to provide full service to the Eastern Railway Bypass of Valladolid and the logistics facilities located within the new Railway Complex.
Implementation of standard gauge on the Mediterranean Corridor. Castellbisbal-Murcia Section. Castellón-Vinaroz Subsection. Implementation of standard gauge on the general tracks along 77.5 kilometres of the section, as well as on station sidings, some of which have been extended to provide 750-metre-long loops in accordance with the interoperable freight-train standars.
Refurbishment of the Roda de Bará Tunnel. Mediterranean Corridor standard-gauge conversion. Adaptation of the Roda de Bará tunnel cross-section for the implementation of standard gauge. The works include the modification of the clearance envelope for the new gauges, the installation of slab track, structural repairs to the tunnel due to significant leakage and damp issues, and the installation of an enhanced drainage system.
Works on Line 200 (Madrid-Barcelona) for the Algeciras-Zaragoza railway motorway. Adaptation of 69 overpasses and 8 tunnels along the section between San Fernando de Henares (Madrid) and Santa María de Huerta (Soria), to achieve the required clearance for transporting lorries by rail using specific rolling stock.
Works on Line 420 (Bobadilla–Algeciras) for the Algeciras–Zaragoza Rail Motorway. Stabilisation of the slope on the Almargen hillside and adaptation of the tunnel clearances along the line, to achieve the required clearance for transporting lorries by rail using specific rolling stock.
Enlargement of the railway sidings at Arcos de Jalón and Sigüenza stations (Line 200, Spain) to 750 meters in order to accommodate long freight trains.
Replacement of sleepers in the Tardienta district. Replacement of 103,000 sleepers along various sections of the San Juan De Mozarrífar-Selgua route on Line 200 Madrid-Barcelona.
Emergency works for the replacement of severely damaged rail on the Madrid–Atocha Cercanías–Pinto section of Line 300 (Madrid–Valencia).
Duplication of the North-Northwest High-Speed Corridor: RAF Palencia - Vilecha High-Speed Junction section, and electrification of the Palencia - León line on the newly duplication sections. Assembly of the second track on the Las Arenas - Vilecha Junction section to complete double-track operation on the Palencia - León line. The works include the electrification of the duplicated sections and the conversion of the current Villada High-Speed Unit into a Train Overtaking and Parking Facilty.
Sleeper renewal and ballast stripping project on the Madrid–Seville High Speed Line (Phase 2). Renewal of nearly 124,000 sleepers, including ballast stripping and replacement, over a 65 kilometre section of the Madrid–Seville High Speed Line.
Comprehensive renewal of track and superstructure on conventional line 810. Guillarei–Redondela section (Pontevedra). Renewal of nearly 25 kilometres of track, including works on the track superstructure (renewal of sleepers, rail and turnouts), track‑bed lowering and construction of new formation, interventions on existing structures and construction of new ones, improvement treatments on cuttings, embankments and drainage systems, architectural works at stations, repair works in tunnels, and track‑bed lowering to adjust the clearance envelope.
Comprehensive track renewal on the Villalonquéjar branch line (Burgos). Renewal of 7.7 kilometres of single track on the branch line connecting the Villalonquéjar industrial estate with Line 100 between Madrid and Hendaye.
Elimination of two level crossings in Ourense on conventional line 810 (Monforte de Lemos–Vigo) and two in Asturias on metric‑gauge Line 744 (Baiña–Collanzo).
Maintenance of conventional railway lines within ADIF’s Northern and Central Sub‑directorates. Track and turnout maintenance in the Northern and Central Sub‑directorates, covering nearly 5,800 kilometres of track and approximately 4,200 turnouts.
Maintenance services for infrastructure, track and turnouts on the Madrid–Northeast High‑Speed Line. Lot 2: Montagut, Vilafranca and Sant Feliu bases. Preventive maintenance of infrastructure, track, turnouts and buildings; corrective maintenance (incident response and application of contingency plans); and improvement and investment works on the assets within the scope of the contract, covering 317 kilometres of double track.
Maintenance services for infrastructure, track and turnouts on the Madrid–South High‑Speed Line. Lots 2 and 3: Hornachuelos and Antequera bases. Preventive maintenance of infrastructure, track, turnouts and buildings; corrective maintenance (incident response and application of contingency plans); and improvement and investment works on the assets within the scope of the contract, covering 432 kilometres of double track.
Maintenance and pre‑maintenance of infrastructure, track and turnouts on the Plasencia–Badajoz High‑Speed Line: Mérida and Cáceres bases. Preventive maintenance of infrastructure, track, turnouts and buildings; corrective maintenance (incident response and application of contingency plans); and improvement and investment works on the assets within the scope of the contract, covering 276 kilometres of single track. In addition, pre‑maintenance is included on the non‑operational sections where track has already been installed.
New Reus‑Bellisens Station (Tarragona). Construction of the new Reus Station, including a new station building and two 220‑metre‑long side platforms connected by an accessible underpass equipped with lifts and fixed stairways. The project also includes a new pedestrian underpass and access routes from both sides of the city to connect with the station, as well as urban development of the surrounding area through a new square integrating these access points.
Emergency works on the C3 suburban line in Valencia following the October 2024 DANA. Execution of repair works on the infrastructure, superstructure and auxiliary installations affected along the Valencia Sant Isidre – Cheste section of Valencia’s C3 Cercanías line as a result of the October 2024 DANA. The section includes six stations and 22.8 kilometres of track, where works include the clearance and removal of debris, construction of access roads and auxiliary work areas, renewal of infrastructure and track superstructure, repairs to stations and platforms, slope stabilisation, and construction of longitudinal and cross‑drainage works.
> Railways. International.
Modernisation of the Western Line: Torres Vedras-Caldas da Rainha subsection. Portugal. The main works include the realignment of several curves along the railway route, electrification of the line, and interventions at six stations and three halts, including the construction of passenger platforms with minimum lengths of 150 metres and technical rooms to house command and control and telecommunications equipment.
Modernisation of the Western Line: Mira Sintra-Meleças-Torres Vedras section. Portugal. Modernisation of 43.4 kilometres of line, including the construction of two railway turnouts with a combined length of 16 kilometres, improvement works at stations and halts, reorganisation of level crossings and overpasses, full electrification of the section, and the installation of electronic signalling and telecommunications systems.
Renewal of the Leixões Line (Matosinhos, Portugal). The objective of the project is to increase the traffic capacity of the line, which is key for connections with the Port of Leixões, enabling the operation of trains up to 750 metres in length. The works include extending the usable lengths at stations, reorganising the reception and dispatch track yards at the Leixões Terminal, renewal and adaptation of the overhead line equipment, drainage systems, and signalling and telecommunications systems, as well as the elimination of level crossings and various interventions in technical buildings.
> Metro and Metropolitan Infrastructures. Spain.
Maintenance of the Madrid Metro. The maintenance work includes, among other tasks, the replacement of track devices, substitution of the existing slab-track systems with new ones, renewal of rail and sleepers, and geometric track corrections. The scope of this maintenance service covers approximately 35% of the Madrid Metro network.
Renovation of Line 6 of the Madrid Metro (Lot 1). Complete renovation of the track superstructure on an 11.5 kilometres section. The existing types of tracks will be replaced with the latest state-of-the-art slab track, and the existing rail and counter-rail will also be renewed.
> Metro and Metropolitan Infrastructures. International.
Adaptation of the Mondego Mobility System in Coimbra to a BRT-Metrobus solution. Coimbra B - Portagem section. Portugal. Execution of the Metrobus corridor and surrounding streets along a 1.8 kilometres section, developed mainly on the existing railway platform.
Construction of the machinery depot and offices of the Mondego Mobility System (Coimbra). Portugal.
Rubí Line of the Porto Metro. New metro line with a total length of 6.3 kilometres, running between Casa da Música (Porto) and Santo Ovídio (Vila Nova de Gaia) stations. The project includes the construction of three surface stations, five underground stations, a 500-space car park, a connection to the Devesas railway station, and the construction of several viaducts and underpasses for vehicles and pedestrians. A highlight of the project is the construction of a new bridge over the River Douro, to be named which will be called "Ponte da Ferreirinha".
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