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 which is "Ad-dar Al Baidaa"', although Arabic also has its own version of Casablanca (كازابلانكا, "Kāzāblānkā"). The city is still nicknamed "Casa" by many locals and outsiders to the city. In many other cities with a different dialect, it is called "Ad-dar Al-Bida", instead. The area which is today Casablanca was founded and settled by Berbers by at least the seventh century BC. It was used as a port by the Phoenicians and later the Romans. In his book Description of Africa, Leo Africanus refers to ancient Casablanca as "Anfa", a great city founded in the Berber kingdom of Barghawata