GTA Infra — Tunnel, Bridge & Civil Engineering Expertise
The technical partner project owners rely on to control the technical, regulatory and operational risks of their infrastructure — from design to delivery, for structures built to last across Europe.
Maxime Cavallini
Managing Director — GTA Infra
Managing Director
Managing the technical risks
of mobility infrastructure
GTA Infra — Our vision
“Our role is not limited to repair or modernisation. We bring structures into compliance, adapt them to new standards and extend the service life of infrastructure, with constant attention to quality, safety and technical precision.”
We have a major responsibility: strengthening and equipping the structures that support everyday mobility. Our mission is to guarantee the safety and reliability of these assets, for both users and operators.
Working on bridges, tunnels and other civil engineering structures means working on assets that are essential to society. We rarely think about them, yet they are vital.
Our work requires rigour and careful organisation, but also the ability to anticipate, adapt, collaborate with multiple stakeholders and constantly innovate in the field. This is part of the DNA of GTA Infra and its teams.
Every project is a new and unique challenge, which we take on with committed teams who are proud to work on large-scale projects across Europe and beyond.
Maxime Cavallini
Managing Director — GTA Infra
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of tunnels treated across Europe
of works delivered on major projects
of expertise and steady growth
partners in 8 countries – international experience
Our areas of expertise
4 integrated business lines
From BIM modelling to final handover, GTA Infra manages all technical interfaces — a single point of contact to secure your infrastructure projects.
Engineering & design office
Projects and technical studies, BIM-Revit modelling, structural calculations, support for engineering firms and designers. From early-stage studies to detailed design.
Expertise & specialist engineering
Consultancy, inspections, fire/smoke/noise/durability engineering, certification. Independent expertise supporting regulatory compliance.
Infrastructure works
Energy, concrete, steel, waterproofing, active and passive systems. Finishing Works for road tunnels, civil engineering structures and mobility infrastructure.
Innovation & sustainable solutions
Automatic incident detection (AID) systems, inspection drones, automated operations and R&D shared across GTA Group.
Reference projects
Featured projects
From tunnels to heritage structures — GTA Infra delivers on the most demanding worksites in France, Luxembourg and across Europe.
Refurbishment
A30 — Lighting renovation of the Hayange tunnel
Full replacement of sodium lighting with LED lighting featuring adaptive brightness control. Coordinated night-time works to keep traffic flowing.
Hayange · Grand Est · France
Finishing Works
Schelde Tunnel — Passive fire protection
Immersed tunnel, 1.8 km long (3 lanes in each direction) — Oosterweel project, Antwerp. Installation of Promatect TF‑X passive fire protection (PFP): 600,000+ m² treated, at a rate of over 40 linear metres per week. GTA Infra at the heart of Europe’s largest mobility project.
Antwerp · Belgium
Tunnel & mobility
Road tunnels — Safety & infrastructure
Expertise and works on major road tunnels: ventilation systems, automatic incident detection, adaptive LED lighting and regulatory compliance upgrades. GTA Infra is a benchmark for tunnel finishing works across Europe.
France · Belgium · Luxembourg
They trust us
DRIEAT
DIREST
DIRIF
APRR
COFIROUTE
SNCF
RATP
Ingérop
Setec
Egis
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Explore GTA Infra in full
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