Works foresee a four-kilometre-long access tunnel at the north end of the Gotthard Tunnel in a project that will prepare for the expansion of the highway that runs through the tunnel, and contribute to the development of sustainable mobility at the heart of the Alps.

The Second Gotthard Tunnel - foresees the construction of an access tunnel, early development of the area, the excavation of a logistical underground space for a cement plant, preliminary excavations for the second tunnel and other installations for the management of materials.