Saronno Sud station is so unique as to be worthy of its own discussion. The choice to describe it here has a dual function, since it is actually the product of the first phase of quadruplication, but as it results from the urban development of Saronno and is therefore without history, it became strategic with the decision to renovate the old Saronno-Seregno line and open it once more to passenger traffic.

Here too, therefore, there is a necessity of interpreting the land and of putting one of the key aspects of the aforementioned redevelopment underground. This meant bypassing the old route in the centre of Saronno, thus making it easier to cross, and defining the route with an underground work of art and its corresponding station.