At this place, coming from Ottrott, emerges the Roman way, visible paved road a few hundred lower meters. It would be logical; if the Romans had built the door of Barr as supposed that in his place one should observe a passage, allowing the vehicles to enter the enclosure. Unfortunately recent excavations all do not have for the moment not given of indices active on this direction. Let us let perhaps make the archaeologists will unearth the crucial index. It would be nevertheless astonishing that this great Roman way dons not lead to any door, would that put at evil the theory which claims that the door of the type kammertor (Eyer, de Barr, de l'Elsberg) were built by the Romans ? Business to be followed...