The stages and cities are represented by hundreds of functional place symbols, used with discrimination from the simplest icon of a building with two towers to the elaborate individualized "portraits" of the three great cities. The editors Annalina and Mario Levi concluded that the semi-schematic, semi-pictorial symbols reproduce Roman cartographic conventions of the itineraria picta described by 4th-century writer Vegetius,Vegetius' "...viarum qualitas, compendia, diverticula, montes, flumina ad fidem descripta suggest a more detailed "pictorial itinerary" than either the Antonine Itinerary or the Tabula Peutingeriana offers. of which this is the sole known testimony.
