Some figures first of all. At the moment, in Italy, there are 7,123 kilometres of motorways, 24,241 kilometres of state roads, 154,948 kilometres of provincial roads and 1.3 million kilometres of council roads. This means that the infrastructure sector, including maintenance and construction of new layouts, has a key impact in the production of waste and ensuing environmental pollution. But, seen from another point of view, it is a phenomenal field where the principles of the circular economy can be applied, in order to relaunch the sector and reduce the impact of intervention, by pushing material recycling. It is not about environmental utopia but rather concrete prospects, in fact a process already under way delineated by Italian laws and decrees but also by a Europea...