On 11 February, the elected members of the Board of Directors of Île-de-France Mobilités announced their decision to entrust RATP Dev—a subsidiary of the RATP group—with the operation of the bus lines serving the west of the Grand Paris Seine & Oise urban community and the Portes de l’Île-de-France community of municipalities. This public service delegation will take effect from 1 August 2021 for a period of 8 years. RATP Dev will operate 64 regular routes, including two night buses and an on-demand transport service.