VALENTE S.p.A. holds a leadership position in the design and construction of these specific structures.

They are one of the fundamental elements in tunnel construction, allowing for a significant reduction of rails needed and speeding up movement of wagons and various materials during excavation.

They are designed and built according to the characteristics of the TBMs (Tunnel Boring Machines) and the wagons used, can be either self-advancing or towing advanced by  loco or TBM.

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