Quality control, technical and financial supervision of road improvement works on the Nkue – Mongomo road (about 120 kilometres in length), from a double surface treatment road, with a design driving speed of 50 kmh to a standard of bi-directional fully-asphalted 2-lane, 10 meter-wide with a shoulder of 1.5 meters on each side, including geometrical improvements permitting a driving speed of 80 kmh.