Complex infrastructure works such as tunnel construction, track construction, bridges, roads have typical constraints that can be related to the construction life stages.

During these phases, the procurement parts require the implementation of integrated solutions to comply with the operational sequences.
2A Tech also provides consultancy for the definition of the logistics part, including the implementation of specific technologies according to the work schedule timing.

The GTA structure provides an integrated coordination service for railway site traffic and maintenance operations associated with various facilities, which may be considered as interfering.
The GTA structure also proposes customizable procedures (operating regulations) acquired from different projects.