Casabus operated by alsa is the name of the bus transit network serving Al Baida, a community of 18 territories including Casablanca and Mohammedia, as well as 16 other urban and rural municipalities: Aïn Harrouda, Al Majjatia Ouled Taleb, Beni Yakhlef, Bouskoura, Dar Bouazza, Ech-Challalate, Lahraouyine, Méchouar, Mediouna, Nouaceur, Ouled Saleh, Sidi Hajjaj Ouled Hasser, Sidi Mouss Ben Ali, Sidi Moussa Majdoub, and Tit Mellil.