National road between NIEFANG and NKUMEKIEN and motorway between EVINAYONG and OYALA (Equatorial Guinea)

Work: Pre-feasibility study of 75 km of national highway between NIEFANG and NKUMEKIEN and motorway between EVINAYONG and OYALA in the Republic of Equatorial Guinea on behalf of EGIS International.
Realization of computer graphics and metric calculation