Travaux Du Sud Ouest

TSO specialises in the construction, renewal, laying and maintenance of railway tracks. Services include ballastless track-laying, ballast renewal, ballast stabilization by bonding, track relaying, flash-butt welding of rails, track-laying of high speed lines and track-laying on concrete.

Through the years, TSO has achieved technological innovations such as: Ballastless track-laying Turnouts mechanical renewal Track relaying and ballast renewal Flash-butt welding of rails Speed world record broken on TGV Atlantic Line – 515.3 km/h Conductor rail system High speed lines track-laying Track-laying on concrete Ballast stabilization by bonding Ballast rehabilitation on South-East High Speed Line Renewal of turnouts on high speed line in operation

TSO’s projects include the ballastless track-laying of both North and South tunnels from Folkestone (UK) to Sangatte (France).

TSO has 70 years experience in European countries including France, Belgium, Sweden and the Netherlands and has a national set-up, working for Public Employers such as S.N.C.F. (French Railways), R.A.T.P. and other urban networks.