The works concern:
- the Frayol viaduct, including its concrete walls and reinforced embankment (wall M2 and M3) and the complement of the reinforced embankment wall M1 to the right of the temporary pavement,
- the Chabassot viaduct, including its concrete return walls and reinforced embankment.
The works concern:
- the Frayol viaduct, including its concrete walls and reinforced embankment (wall M2 and M3) and the complement of the reinforced embankment wall M1 to the right of the temporary pavement,
- the Chabassot viaduct, including its concrete return walls and reinforced embankment.