The contract covers all the landscaping work relating to the upgrading to 2 × 3 lanes of the A57 between Benoit Malon and Pierre Ronde: soil preparation-mulch, small masonry work, planting, installation of 'a sprinkler system, Completion-Consolidation.

As an indication, the landscaping works relating to the upgrading of 2 × 3 lanes of the A57 motorway (6.5 km section) will include in particular:

- preparation of the mulch-soils before planting (around 100,000 m 2 );

- supply and planting of plants such as Mediterranean trees, shrubs, Mediterranean perennials: around 60,000 units,

- masonry work at the right of roundabouts at city entrances in particular;

- maintenance and watering work during the period of completion and period of reinforcement of the plantations (the cumulative duration of the period of completion and reinforcement is equal to two years).

At the entrance to the city, it may be requested the implementation of a sprinkler system.

These works are located on the current section, interchanges, entry ramps and on roundabouts at city entrances.

They will also include preparatory work, including treatment of regrowth of invasive species.