Caisse des Dépôts et Consignations, Aéroport de Paris and SNCF Réseau formed a joint venture company for the construction and operation of the CDG-Express high speed train line between Roissy Charles De Gaulle Airport and Paris Gare de l'Est to be launched from 1st January 2024. Financial terms were not disclosed. The transaction is a significant infrastructure project and investment for the French government who is also financing the project.