The invention relates to an arrangement for connecting two successive contact line rails, each made of a longitudinal plastic profile and of at least one contact rail extending along the contact line rails, having a contact rail connector connected to the opposing ends of the contact rails of two successive contact line rails, electrically and mechanically connecting the contact rail ends of the contact rails, and having additional elements attached at the opposing rail ends of the contact line rails of two successive contact line rails, covering the contact rail connectors and displaceable relative to the intermediate element in the longitudinal axis thereof. In order to provide an arrangement for compound two successive contact line rails that is simple to produce and allows uncomplicated assembly, the invention proposes that an intermediate element (8a, 8b) is attached at each of the opposing rail ends (7a, 7b) of the contact line rails (la, lb) to be connected and the additional elements (11a, 11b) are attached to the intermediate elements (8a, 8b).
