France – Engineering design services – Etudes de dénivellation de la bretelle d’entrée du diffuseur n° 50 sur Autoroute A8

This consultation concerns the study services related to the elevation difference of the entrance slip road of the distributor n° 50, in Nice, on the A8 motorway. It is the follow-up to the project for the development of the West Exit of the Voie Mathis, which consists of: - extending the unidirectional two-lane infrastructure, and connecting one lane to the Boulevard du Mercantour (RM 6202) and the other lane to the A8 motorway in the direction of Aix-en-Provence; - restoring the road network at surface level, notably in the vicinity of the open trench and the 2 exit ramps. The studies cover the following services: - Preparation of the Principle Request File (DDP) in accordance with the provisions of the circular of 19 July 2023; - Specific signalling studies: file for modification of the Signalling Master Plan (SDS), Signalling Definition Project (PDS).