Our project concerns the splitting of the CW46 between Sidi Maarouf and Hassi Bounif in the wilaya of Oran, it begins at pk 00+0000m and ends at pk 05+356 m, this section to be studied extends over a length of 5,356 km and vehicle a significant average daily traffic estimated at around 9000v/d.The route consists of maintaining the existing roadway as much as possible and doubling it:- The percentage of heavy goods vehicles is 25%, according to a last count carried out in 2014.- The project route is located in a flat terrain, and is characterized by medium windings (E2), and medium gradients....