the station opened on 19 december 1980, when rer line a was extended to torcy. it serves the descartes campus of the university of eastern paris – marne-la-vallée (french: "université paris-est marne-la-vallée"). bus stations are on both ends of platforms: "archimède" is on noisy-le-grand side, "descartes" on the champs-sur-marne side.