It is on the Paris-Est–Mulhouse-Ville railway and provides an interchange between the RER lines A and E. The station is named for a neighborhood of Fontenay-sous-Bois.

[4] On the RER A, the line towards the east of Paris divides into two branches after Vincennes station.

Val de Fontenay (like Noisy-le-Grand-Mont d'Est) is served by every train running on this branch, while others are skipped at certain times of day (such as Bry-sur-Marne and Lognes).

In the evening, there are 4 trains per hour, alternating between Villiers-sur-Marne and Tournan and stopping at all stations.

The station is served by several buses:[5][6] Media related to Gare du Val de Fontenay at Wikimedia Commons