Our Projects — Tunnels, Upcycling & Sustainable Mobility
Complex projects delivered end to end — from design to handover — by GTA Group’s in-house teams and integrated engineering & design office. France, Benelux and across Europe.
The outcome: zero issues at recommissioning. Zero major snags.
No project matches these criteria.
Mâcon-Ville Railway Station — Corrosion Protection of Overhead Line Equipment (OLE)
Refurbishment of overhead line gantries and supports at an operational railway station. Preparation of surfaces potentially containing lead, encapsulation of existing coatings and application of a corrosion protection system — night-time rail works with the OLE isolated.
Mâcon-Ville Railway Station · Saône-et-Loire · France
2024–2026
Ferney Tunnel — Upgrading Fire Protection beneath the Airport
Upgraded fire protection for the Ferney tunnel, right next to Geneva Airport. GTA Infra installed nearly 5,000 m² of fire-resistant boards on a project carried out entirely at night, in a consortium with COLAS Suisse.
Geneva
6 weeks — Delivered 2024
Luxembourg Airport — Refurbishment of the Car Park–Terminal Links
Refurbishment of the metal structures linking the car parks to the terminal at Luxembourg Airport. GTA Lux and GTA Eprolor handled dismantling, corrosion protection, powder coating and reinstallation of the structures, while keeping the airport in operation.
Luxembourg Airport
10 months — Delivered 2025
E42 Liège Tunnels — Fire Safety Upgrade & LED Relamping in Operation
Regulatory compliance upgrade of strategic road tunnels. Passive fire protection, detection systems and 2,400 hours of engineering and design — night-time works under live traffic.
Liège · Belgium — E42 (Cointe & Kinkempois tunnels)
Multi-phase project
La Lentille — Esch-sur-Alzette: Blasting & Corrosion Protection of an Industrial Icon
Corrosion protection rehabilitation of a metal structure listed as part of Luxembourg’s industrial heritage. Robotic UHP blasting, high-performance epoxy systems and certified rope access technicians.
Terre Rouge, Esch-sur-Alzette · Luxembourg
16 months — Delivered 2025
P+R Cloche d’Or Car Park — Technical Coatings and Fire Protection
Corrosion and fire protection of the P+R Cloche d’Or car park structures. GTA Coatings and GTA Lux applied 60,000 litres of paint to steel structures, concrete surfaces and pipework, including 2,500 m² of R90 intumescent coating.
Kockelscheuer / Cloche d’Or, Luxembourg
17 months — Delivered 2023
Planning a similar project?
Our in-house teams and integrated engineering & design office are ready to assess your project — in France, Benelux and across Europe.
