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    Infrastructure
    State-owned
    🇪🇸

    ADIF

    Administrador de Infraestructuras Ferroviarias

    Founded 2005 14k employees 9 rail projects
    Workforce
    14k employees
    estimate

    About

    Adif (Administrador de Infraestructuras Ferroviarias), founded in 2005 and headquartered in Madrid, is the Spanish state-owned infrastructure manager. It maintains the conventional and high-speed rail networks and operates passenger stations across Spain, with Adif Alta Velocidad as a dedicated subsidiary for the high-speed network.

    Rail Specializations

    Rail Infrastructure
    High-Speed Network
    Stations
    Signalling

    Rail projects(9)

    Europe + MENA · expanding
    Leaflet © OpenStreetMap
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    Algeciras–Bobadilla Railway Upgrade (Mediterranean Corridor Link)

    Algeciras – Bobadilla (Andalucía), Spain
    Client Employer
    Under Construction
    2020

    project delivery

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    Madrid Chamartín Clara Campoamor Station Expansion

    Madrid, Spain
    Client Employer
    Under Construction
    2019
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    Zaragoza–Pamplona High-Speed Line (Two Seas Corridor)

    Zaragoza – Castejón – Pamplona, Spain
    Client Employer
    Under Construction
    2015
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    Barcelona La Sagrera Intermodal Hub

    Barcelona, Spain
    Client Employer
    Under Construction
    2010

    La Sagrera hub

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    Madrid–Extremadura Rail Upgrade (to Badajoz/Portugal)

    Madrid – Cáceres – Badajoz, Spain
    Client Employer
    Under Construction
    2010

    Multiple lots under construction. Standard gauge conversion + electrification. TEN-T Atlantic Corridor.

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    Y Vasca (Basque High-Speed Railway)

    Vitoria-Gasteiz – Bilbao – San Sebastián, Spain
    Client Employer
    Under Construction
    2006

    Vitoria-Bilbao 90.8km. 13 platform sections built, 6 under construction.

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    Variante de Pajares (León–Asturias HS Bypass)

    León – Oviedo/Gijón (Asturias), Spain
    Client Employer
    Operational
    2004

    24.6km twin-bore tunnels + 50km approaches. Opened Nov 2023.

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    Madrid–Galicia High-Speed Line (Olmedo–Santiago)

    Madrid – Zamora – Ourense – Santiago de Compostela, Spain
    Client Employer
    Operational
    2004

    Infrastructure manager. Line operational since Dec 21 2021 (Madrid–Santiago 3h15). Built over two decades in multiple construction phases.

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    Mediterranean Corridor (Valencia–Alicante–Murcia–Almería)

    Valencia – Alicante – Murcia – Almería, Spain
    Client Employer
    Under Construction
    2002

    National HS rail infrastructure manager. Overall programme coordination for 955km corridor: French border–Barcelona–Valencia–Alicante–Murcia–Almería. Standard gauge conversion + new HS sections + ERTMS.

    Matched via company name on contractor records. Patterns: ADIF, ADIF-AltaVelocidad, Administrador de Infraestructuras Ferroviarias.

    Recent rail news mentioning ADIF

    More
    ADIF Faces EU Fraud Probe Over Track Maintenance After Adamuz Rail Crash
    Railex Editorial·03 Apr 2026

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    Profile last updated: 22 May 2026. Data policy.

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