SNCF Réseau and Thales replaced the signal control system at Les Ardoines technical centre in Vitry-sur-Seine, near Paris, which was destroyed by fire in July 2014. The teams made it possible to rebuild the computer-based control centre in just 27 months, instead of the 60 months typically needed, and without suspending rail traffic on the network. The signal control system controls all the operations of the technical centre, which is responsible for maintaining the vast majority of the 170 trains assigned to Line C and therefore plays a strategic role in the network.
The regional branch of SNCF Réseau (Direction des Projets Franciliens- DPF) and Thales deployed the PIVOS computer-based interlocking solution in record time on site. PIVOS entered into service on 5 February 2017 and will allow SNCF to restore normal operations for the 550,000 passengers who use the line every day.
Working under DPF supervision, Thales was prime contractor for all aspects of the signalling solution, with responsibility for overall project management, inspection, testing and supplies. The work was carried out at a site that remained in continuous use, an industry first in France.
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