Construction of an overpass type structure at the current RN 141 and crossing the 2 x 2 lane project. It includes:

- earthworks of the work (excavations),

- the realization of the structure of art (PSDP),

- the recovery of the embankments of the SNCF platform,

- the demolition of the provisional diversion of the RN 141 including the recommissioning of the RN 141 under this PS,

- the constitution of a sanitation of diameter 500 in bottom of arase,

- the demolition of the access track to the SNCF structure,

- the constitution after demolition of the temporary deviation of the continuity of the excavation D0,

- The realization of treated arase including protective coating.

RN 141 - set up 2 x 2 lanes between Roumazières and Exideuil - construction of the engineering structure PS RN 141.