Track renewal and maintenance

Renewal work outside suite

Renewal of ballast, rails and sleepers on so-called difficult tracks (platforms, tunnels, trenches, tight curves, presence of obstacles). TSO uses PUMA 2 and DRL-C machines, a methodology unique in France, created for the execution of this work.


  • France > 2010: Ballast renewal Thionville – Agen – Villeneuve Saint Georges


  • France > 2009: Total renewal of the components of the Chartreux Tunnel road in Marseille


  • France > 2009-2010: Renewal of ballast tracks outside the Lyon-Marseille line


  • France > 2009: Renewal of rails in Paris Est and Esbly