Corridor studies linking (i) Bouchebka (Algerian border) - Telepte-Gafsa and Gabes (Tunisian border), and (ii) Hazoua (Algerian border) -Tozeur and Gabes (Tunisian border).

At the sectoral level, the study aims to strengthen economic exchanges between the Gabes and Gafsa governorates with Algeria and Libya through a quantitative and qualitative improvement of transport infrastructure. At the specific level, it aims to determine the technical, environmental, economic and financial feasibility of developing two corridors.