The project refers to the N9 highway between Vennes and Villeneuve, from km 12,490 to km 35,250, with the rehabilitation of 25 expansion joint of the structures along the section. The works, after inspection, replacement proposal and intervention proposal, were partially carried out by using Fly-Over and partially thanks to a traditional traffic management (TGM> 100,000 cars). In some cases, the replacement of the joint was carried out in stages without complete highway interruption. The activities concern following phases: intervention project (MP), detailed project (DP), contract (S) and execution of the intervention (MA), including the analysis of the intervention concept (MK).
