Casablanca–Rabat expressway for this 58 km long project are 800 Million Dirham. Main reason for expansion is the expected traffic growth, which is calculated at 55-79% between 2010 and 2020, depending on the stretch of road Toll revenues for the Casablanca–Rabat expressway are the highest in the country, generating 306 million dirhams in 2007 (252 million in 2006), nearly a third of all toll-revenues in Morocco. The route starts at the centre of Casablanca, and then joins the Casablanca bypass at the junction just before the west Mohammedia interchange. It continues past the east interchange serving Mohammedia before reaching the toll station
Casablanca–Rabat expressway at Bouznika. After passing Skhirat and Aïn Atiq the road reaches Temara on the outskirts of Rabat. Traffic going to Fes and Tangier then exit at Hay Riad to converge onto the non-expressway Rabat bypass. The motorway regulations end just before the entrance to the city at the Prince Moulay Abdellah sports complex. In 2016 the Rabat Ringroad was completed and then the road is start/end at this junction. Originally the motorway regulations also applied to the section west of Aïn Harrouda, through the Casablanca metropolitan area as far as Hay Hassani. These were removed in 1995 an 80 km/h