In an increasingly connected world, digital technologies are at the heart of the transformation of transport services. S.DOT(for SNCF Digital On Train), the brainchild of SNCF's Rolling Stock Engineering department, embodies this digital revolution, transforming trains into communicating platforms.

An SNCF group collaboration: Masteris and the SNCF Technicentre in Nevers. On 26 April 2021, the Rouen-Normandie Metropolis launched an open public tender for the general overhaul of the bogies of 27 CITADIS 402 tramway trainsets after 600,000 kilometres. This is a maintenance plan operation in the life of this rolling stock.

TBL1+, the safety equipment developed by Alstom for the Belgian railway signalling system