Since 1999, it has been part of the RER network and served by trains going through the E4 branch.

The station is equipped with automatic ticket machines, real time traffic information systems and facilities for disabled people.

Rosny-Bois Perrier is served by RER E trains coming from or bound to Villiers-sur-Marne–Le Plessis-Trévise.

Trains from or bound to Tournan call at the station only after 10 pm.

[3][4] Line 15 should eventually serve the station as well, as part of the Grand Paris Express project.