Topographic, hydraulic and geotechnical field surveys, preliminary and final engineering design of 90 km of expressway including associated utility systems, preliminary and final design of 10 interchanges and 17 highway bridges. Complete study of expropriations, improvement of urban roads connected to the new network, coordination with utility companies, municipalities and the Petromin company. Preparation of tender documents, evaluation of tenders, participation in the negotiations with contractor’s management and supervision of the works during construction. The project was implemented under six different contracts.