Eurovia Travaux Ferroviaires S.A. specializes in the construction and maintenance of national railway networks, urban transport networks, and industrial railway sidings. Its activities include the construction of urban transport systems, such as metro systems and tramways; construction and maintenance of national railway networks, which include high-speed rail networks; installs and maintains industrial and private rail systems; builds multimodal stations; installs and maintains railway components, including ballasts, sleepers, tracks, and overhead contact lines; overhead contact lines and power supply; and design, engineering, installation, and maintenance of electric traction lines