Activity Report 2022 15 BRIDGES AND TUNNELS Eliminate distances by creating major infrastructure and complex structures for the transport and mobility solutions that we design, without ever losing sight of performance and integration into the local area.• Bridges and viaducts• Tunnels and underground structures 1,500 engineers in the Bridges & Tunnels Group No. 5 in Bridges(1) 800 km of tunnels designed throughout the world OTHER AREAS OF EXPERTISE Supporting urbanisation requires a multidisciplinary and global approach. In addition to the local knowledge required for each project, our engineering personnel provide our clients with support for transport infrastructure projects in their entirety.• Roads and motorways• Urban infrastructure/real estate logistics • Mining • Airports, ports and marine SYSTEMS ENGINEERING Develop digital technologies to inform decisions in complex systems at each phase of the project. Improve systems so as to increase service and security levels. • Systems integration• Systems assurance• Telecommunications and command-control• Energy and power systems• Operation and maintenance• Rolling stock and workshops Over 1,300 Systems experts 700 BIM modellers and coordinators Planning & consulting Design Project management & construction Testing & commissioning Asset management and operation & maintenance assistance Our value-creating services