I understand, but I think they are very far from the route. Although functionally they fulfill their mission, aesthetically it is better that they are close to the road.
I suppose the road was moved aside to allow free construction of the wall, but I think this could be fixed by allowing gates to be built on the trade route. [Poll] Would you like to be able to build doors on the trade route after the imperial era in the standard game, or at least in the treaty mode?