[2] However, the consequences of the economic recession - which led during the regional council of Stefano Caldoro to the blocking of a good part of the infrastructure works in progress and planned - put the project in quiescence until 2016, when the regional council of Vincenzo De Luca relaunched the project financing the creation of a new feasibility study through ACAMIR (Agenzia Campana Mobilità, Infrastrutture e Reti), presented and adopted by the Campania region in July 2020.
[4] In February 2022, CIPESS financed the project for 370 million, of which 333 for the section between Di Vittorio and Carlo III and 37 for the purchase of 7 automatically guided trains.
[5] The following month, the financing of another 2 lots was added (Di Vittorio-Casoria Afragola and Casoria Afragola-Afragola Centro), bringing the total investments to 795 million.
[6] In December 2022, the memorandum of understanding was signed between the Municipality of Naples, the Campania Region and the Metropolitan City which gave the green light to the construction of the line, identifying the EAV as the implementing body.
[7] In March 2023, in an interview, the municipal transport councilor of Naples, Edoardo Cosenza, anticipated the decision to modify the route of the Cavour-Carlo III lot, eliminating the Cavour and Foria stations and providing the terminus in Piazza Principe Umberto, with interchange with Line 1 and Line 2 in Garibaldi.