The item to Laminio, alio itinere Cæsarea Augusta, as it appears in the original document, or Antonine Itinerary A-31, according to the nomenclature adopted by Saavedra to classify the Roman roads of Hispania that appear in that document,[1][2][3] is a communication route of Ancient Rome through the current Iberian Peninsula.

Of all the Hispanic Itineraries, this is one of the most difficult to reconstruct since most of its points of passage have not yet been fully established, among them Laminio, the city of origin, and there are notable discrepancies within the scientific community.

[1][4] Its origin is unknown since there are severe discrepancies about the location of the municipium of Laminio, the starting point of the itinerary.

), it is completely impossible for it to be outside the province of Albacete, where various locations have been suggested in the municipalities of Villarrobledo, Munera, El Bonillo or Ossa de Montiel.

A final difficulty is the distance traveled to its destination (Zaragoza), although there is no doubt about the location of this city.