A logistics installation (200) for sorting articles, the installation including a looped conveyor (210) comprising P pre-sorting devices (PT1, PT2) for pre-sorting the articles, injection zones (ZI-1, ZI-2, ZI-3, ZI-4, ZI-5, ZI-6) for injecting the pre-sorted articles onto the conveyor, and outlet zones (ZS-1, ZS-2, ZS-3, ZS-4, ZS-5, ZS-6) for unloading the articles from the conveyor, the injection zones alternating with the outlet zones along the conveyor, each injection zone being followed by an outlet zone, in which installation each injection zone is connected to one pre-sorting device only, and each pre-sorting device is connected to one in every P injection zones considered sequentially around the conveyor.