the services concern the creation of an overtaking slot on the RN25 south of Beauval and relate to earthworks, sanitation, pavements and safety and signalling equipment

the services concern the creation of an overtaking slot on the RN25 south of Beauval and relate to earthworks, sanitation, pavements and safety and signalling equipment. They include:* the creation of an additional lane in the Doullens-Amiens direction for the establishment of the overtaking slot;* the development of shaved strips on the right and the renewal of the carriageways;* the upgrading of sanitation standards;* the resumption of signage and equipment to the right of the works;* the re-establishment of the 2 refuges;* the redevelopment of the southern entrance junction of Beauval with the creation of a bayonet junction with bordered islands;* improving the visibility of the Rn25/Rd31 junction with the establishment of bordered islands;* the removal of direct agricultural access to the Rn25 and the creation of lateral roads to open up and serve agriculture;* the earthworks of the networks of concessionaires to be diverted