Our expertise
Operations / Maintenance
Operations and maintenance: for dependable, comfortable and smooth flowing transport services
Safe, reliable and punctual… In the Île-de-France region and around the world, we operate and maintain tens of thousands of kilometres of…
Passenger information / Operating system
Multimodal, multimedia information in real-time
Our systems provide passengers with information that allows them to prepare and optimise their journeys, to see real-time traffic…
Engineering
Metro line 4 heading for automation
Launched more than a century ago between Porte d’Orléans and Porte de Clignancourt, line 4 is central to the Paris network, serving the…