works contract for the realization of the signalling and restraint devices for the operation of the Rondeau interchange. The services concern in particular the implementation of vertical and horizontal signalling and the supply and installation of restraint systems

The services concern in particular the execution studies and technical controls of structures such as gallows and gantry; the provision and installation of directional and police signage; the realization of horizontal signage; the supply and installation of metal restraint systems; the supply and installation of shock attenuators and other safety devices