Refurbishment of the roads of the A5 motorway between PR 170 and 197 in direction 1 (Paris-Langres) and direction 2 (Langres-Paris) + diffuser of Ville-sous-la-Ferté (diffuser 23).

The work will include: refurbishment of the rolling layer on all tracks (2×2 lane highway), point repair of the lower layers (purges), intrusion type ancillary work and refurbishment work on diffuser.

The main operation breaks down as follows:

— milling operation:

—— - 5 cm by 270,000 m2 approx.

—— - 6 cm by 69 000 m2 approx.

—— - 11 cm by 44 000 m2 approx.

— operation for the implementation of asphalt:

—— +5 cm BBSG bearing about 300,000 m2 ,

—— +6cm BBSG (bearing or link) over 110,000 m2 approx.

Installation of a mobile plant for the manufacture of asphalt, including the development work of the Champignol platform at PR 178 direction Paris-Lyon of the A5 motorway.