Building essential connections

  • Vue aérienne d'une autoroute en construction avec de l'asphalte frais et des murs de soutènement en béton, traversant un paysage verdoyant composé de forêts denses, de champs et d'une rivière. Plusieurs engins de chantier, dont un vert vif, sont visibles sur la route et les talus, sous un ciel partiellement nuageux.

    A wealth of experience

    For more than 40 years, we have designed, built and renovated motorway infrastructure around the world.

  • Vue aérienne d'un long viaduc autoroutier gris traversant une vallée verdoyante de forêts et de champs, avec des montagnes et un village en arrière-plan sous un ciel partiellement nuageux.

    Simplifying everyday life

    Our projects improve mobility and safety for millions of users every day, making a significant contribution to regional development.

Our expertise

  • Une autoroute moderne et sinueuse à plusieurs voies traverse une dense forêt tropicale verdoyante sous un ciel gris, bordée par des falaises rocheuses et des talus de terre, avec une voiture blanche roulant au loin.

    Choosing the ideal route

    Every motorway project starts with a vision. We map out routes that are adapted to the area's geography, geotechnical conditions and environment.

    Our custom solutions are designed to streamline traffic flow, minimise environmental impact and anticipate the future needs of local communities.

  • Deux viaducs parallèles sombres, dont l'un arbore une bande bleue distinctive, traversent une vallée boisée aux couleurs automnales sous un ciel bleu clair. De hauts piliers de béton soutiennent les ponts, projetant de longues ombres sur la forêt.

    Cutting-edge technical expertise

    We deliver robust and sustainable infrastructure through our mastery of all earthworks and civil engineering techniques, including viaducts, tunnels, interchanges and widenings.

    Our teams push back the technical boundaries regardless of the location. They ensure that structures are both safe and efficient, whether crossing an Alpine mountain range or a tropical zone.

  • Vue d'un chantier de construction avec l'entrée sombre d'un grand tunnel en béton gris au centre, encadrée par un mur de soutènement similaire d'où pendent des câbles rouges épais. Un excavateur jaune Komatsu est visible à gauche déblayant des roches, tandis que l'arrière-plan montre des collines verdoyantes et une entrée de tunnel secondaire.

    Maintaining excellence

    To ensure that motorways can remain safe and keep traffic flowing smoothly over time, we maintain and update existing infrastructure.

    This includes renovating engineering structures, broadening lanes in use, and adding acoustic and environmental solutions designed to improve the quality of life for people living nearby.

  • Un homme chauve est assis à un bureau dans une salle de contrôle, faisant face à un grand mur vidéo affichant de multiples flux de caméras en direct de routes, de tunnels et de chantiers de construction, ainsi que des diagrammes de systèmes numériques. Son bureau est équipé d'écrans supplémentaires, de panneaux de contrôle et de dispositifs de communication.

    When the builder is also a partner

    We’re not just builders; we’re also committed to long-term concession contracts.

    From Jamaica to Croatia, we manage and operate motorways, guaranteeing road users safety, comfort and continuity of service, while supporting local areas in their economic and social growth.

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Creating new opportunities for different areas

Every project draws on our expertise in large-scale earthworks, spectacular engineering structures, complex tunnels, real-world operations and long-term concessions.

This integrated approach enables us to deliver sustainable, bespoke solutions that are designed with respect for resources and regions. Two flagship projects illustrate this vision:

  • The Istrian motorway, which was built in successive phases over almost 30 years in Croatia, has had a significant impact on the peninsula, contributing to its tourism and economic growth.
  • The A41, a mountain motorway delivered in record time to link Geneva, in Switzerland, with Annecy, in France, has transformed mobility for residents of the Alpine region while respecting local biodiversity and integrating into the landscape.

These projects demonstrate our belief that every motorway is a valuable piece of infrastructure for society: sustainable, technically exceptional and the product of collective human endeavour.

Un long viaduc moderne en béton, avec des balustrades bleues et une chaussée asphaltée, traverse une vallée densément boisée sous un ciel bleu clair.
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Our projects

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