The road was opened in 2002 to Settat, and construction on the remaining part started in 2003 reaching Marrakesh in 2007.
[4] Toll-revenues of this road, including the Casablanca bypass, totaled 219 million dirhams, reaching 3rd spot of top earners[5] In June 2004 the Moroccan operator of expressways ADM signed an agreement with the Hasan II Society for economic and social development for a refinancing scheme of the ADM.
Construction of a 4-lane motorway through the mountains of the High Atlas requires many structures as fly-overs, viaducts and bridges.
Along this route, new exits and side roads are constructed to several main working locations and temporary factories (concrete, storage, camp-sites for builders, etc.).
Over the full length the new autoroute has: The road has 8 exits/entries, 9 toll-port gates and 4 rest stops with petrol stations, cafés and a room or building for praying.
Possible speed on 2-lane national roads is often greatly reduced due to very slow lorries crawling up a hill while steep bends and traffic from the other side make overtaking hazardous or impossible.