France – Construction work for highways, roads – RN57 Aménagement Sud de Pontarlier

The services are paid for by unit prices. The works consist of an intervention on the existing infrastructure, on its most heavily trafficked section; - RN57 between the Malraux roundabout and the RD437 interchange: Conversion to two lanes for the entry into Pontarlier - RN57 - entry onto the railway station roundabout: Conversion to two lanes. The works include: preparatory works, earthworks and roadworks, civil engineering works, network works, equipment and signage works, works related to private plots.