Abstract: The invention relates to an inter-carriage passage for a railway carriage set comprising an intermediate bodywork member having a generally annular shape connecting the adjoining ends of two carriages.In accordance with the invention, the intermediate bodywork member is connected to the two adjoining carriage ends so as to be maintained in a radial position; this intermediate member is positioned on each carriage end by means of deformable pneumatic joints.The invention is especially applicable to metro (rapid transit) trains with short carriages and radial axles.