The network consists of 5 routes and Île-de-France tramway Line 9 which mainly serve the catchment area of Grand-Orly Seine Bièvre.

[1] Ultimately, four potential operating companies were qualified by the organizing authority to compete, in the following categories: RATP Dev, Keolis, Transdev and Moventia.

[A][2] Due to the opening up of public transport to competition in Île-de-France, the Bord de l'eau bus network became Seine Grand Orly on January 1, 2021, corresponding to public service delegation number 22 established by Île-de-France Mobilités.

A invitation to tender was therefore launched by the organizing authority in order to designate a company which will succeed the operation of Keolis Seine Val-de-Marne for a period of five and a half years.

In addition, route 482 extended its service to the north as far as the shopping center, Belle Épine via Pont de Rungis railway station, and the route 10 which ran Juvisy station to Athis Plaine Basse was folded and a partial portion was transferred to Express 191.100.