Rail & Mobility

Increasing urbanisation, combined with the desire to reduce CO2 emissions, is leading public players to invest massively in rail transport.

To increase the capacity of existing lines, railway operators are modernising the signalling systems (CBTC, ERTMS, etc.) as a priority.

At the same time, manufacturers are experimenting with different solutions (batteries and hydrogen) to replace diesel engines and thus decarbonise non-electrified lines.


covered by ALTEN

Signalling/Systems (ERTMS, CBTC, etc.)

Signalling/Systems (ERTMS, CBTC, etc.)

Rolling stock

Rolling stock



Customer interface (digital services / customer relations)

Customer interface (digital services / customer relations)


To transport more travellers during peak times, the operator of a large international metropole entrusted our industrial customer with the automation of the busiest metro line in the network. ALTEN is helping to develop the key element: the CBTC signalling system.

The European Rail Traffic Management System (ERTMS) must cover 50% of the European strategic network by 2023. Our customer has won several contracts within the framework of this major project and is supported by ALTEN with regard to the ramp-up of its ERTMS centre of excellence in Belgium.

ALTEN is assisting a major European rail operator (over 15,000 km of lines in operation) with the design of new electrified lines to anticipate the increase in traffic and development of the rolling stock. Our engineering teams are working, in particular, on the electrical sizing, design (studies, project management, etc.) and operational assistance and maintenance of fixed electric traction installations.



Siemens Mobility, Alstom, Hitachi Rail, Wabtec Corporation, Stadler Rail…

Railway operators

SNCF Voyageurs, RATP

Infrastructure Managers

SNCF Réseau, RATP Infrastructures, Getlink

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