It only includes roads and locations mentioned in two sources: the Peutinger map ("tabula Peutingeriana" [0]) and the Itinerarium Antonini [1]. Clearly you've f

It only includes roads and locations mentioned in two sources: the Peutinger map ("tabula Peutingeriana" [0]) and the Itinerarium Antonini [1]. Clearly you've found where those sources lacked precision. [0] https://en.wikipedia.org/wiki/Tabula_Peutingeriana https://en.wikipedia.org/wiki/Tabula_Peutingeriana [1] https://en.wikipedia.org/wiki/Antonine_Itinerary https://en.wikipedia.org/wiki/Antonine_Itinerary