Lot 1: Construction of the temporary diversion of the A2 motorway over a length of 1200m in order to allow the construction of the viaduct at a later date to the right of the future Seine-Nord Europe Canal

Construction of a temporary diversion of approximately 1200 m comprising, for each direction of traffic, two lanes of 3.50 m, a BAU of 3 m and a BDG of 1 m. Lot 1 comprises:- the recovery of 2 ITPCs in the current section- earthworks, including careful stripping of topsoil and temporary storage- pavements, incl. BBDr surface course- road restraint systems (N2 and GBA barriers on the shoulder, DBA in TPC)- vertical and horizontal signalling- supply and implementation/maintenance of VMS throughout the duration of the project- directional drilling