Track construction

Classic lines

Classic lines, high-speed lines, metros, trams... TSO masters all the required skills, from design to commissioning.

In France and abroad, TSO is multiplying its references: multi-gauge tracks, metric gauge, heavy load, etc.


  • Saudi Arabia > 2007-2011: Construction of 450 km of track in desert areas (Heavy Load Train – NSR Project – CTW 100 Section)


  • Algeria > 2004-2012: Installation of standard gauge Mécheria-Béchar tracks (360 km)


  • France > Operation Great Western Belt > 2003-2004: Noisy-le-roi line to St Germain-en-Laye – Track laying work, switches and ballast installation


  • Bangladesh > 1997-2003: Jamuna Bridge Railway Project – 95 km of new double gauge track laid


  • Nigeria > 1992-2004: WARRI line Installation of 250 km of track on concrete sleepers