RN25-RN1 / Requalification of the North Amiens interchange:

- completion of earthworks, sanitation, pavements and equipment for RN25 and RN1 (firm phase);

- repair of the wearing course of the bypass over the entire length of the line affected by the modifications to the horizontal marking and new horizontal marking (optional phase 1);

- development of the VVV and retaining device between the RN25 and the VVV (optional phase 2);

- diversion of the telecommunications network (optional section 3).

The consultation concerns: the completion of redevelopment work on the Amiens north interchange between the RN25 and the RN1. The services, subject of this contract relate to the requalification of the interchange n ° 38 existing between the RN25 and the RN1 on the north-eastern ring road of Amiens and relate to earthworks, drainage, pavements and equipment (curbs, slides, horizontal and vertical signs). They understand:

- construction of two roundabouts and four new entry-exit ramps on the bypass with two roundabout shunts;

- upgrading of sanitation;

- resumption of signage and equipment under works law;

- connection with interchange 39 with extension of the north intersection track;

- connection to existing roadways;

- the creation of straightened strips on the right along the RN25 north of the interchange to the south roundabout of Poulainville;

- the creation of a Vélo-route et Voie Verte (VVV) along the RN 25 west side to the south roundabout of Poulainville, as an extension of the existing one south of the interchange;

- work to divert telecommunication networks.