The operation provides financial support for the implementation of extensions to the Marseille tramway network and for the energy transition of the city bus fleet. The tramway component specifically concerns the first phase of the 1.8 km extension of Line T3 to the north between Arenc and Géze, and the 4.4 km extension to the south between Place Castellane and La Gaye, totalling 6.2 km with 12 new stations and 15 new tramcars, a maintenance and storage site, two park-and-ride facilities and 6.8