Antonine itinerary

The Antonine Itinerary (Latin: Itinerarium Antonini Augusti, lit. "The Itinerary of the Emperor Antoninus") is a famous itinerarium, a register of the stations and distances along various roads. Seemingly based on official documents, possibly from a survey carried out under Augustus, it describes the roads of the Roman Empire. Owing to the scarcity of other extant records of this type, it is a valuable historical record. Almost nothing is known of its date or author. Scholars consider it likely that the original edition was prepared at the beginning of the 3rd century: although it is traditionally ascribed to the patronage of the 2nd-century Antoninus Pius, the oldest extant copy has been assigned to the time of Diocletian and the most likely imperial patron—if the work had one—would have been Caracalla.

The British section is known as the Iter Britanniarum, and can be described as the 'road map' of Roman Britain. There are 15 such itineraries in the document applying to different geographic areas.

The itinerary measures distances in Roman miles, where 1,000 Roman paces equals one Roman mile. A Roman pace was two steps, left plus right. Roman paces were not everywhere the same, and conversion to modern units is imprecise, but 1 Roman mile approximately equals 4,690 feet, or 1430 m.

Below is the original Latin ablative forms for sites along route 13, followed by a translation with a possible (but not necessarily authoritative) name for the modern sites. A transcriber omitted an entry, so that the total number of paces does not equal the sum of paces between locations.

Below is the original Latin for route 14 followed by a translation with a possible (but not necessarily authoritative) name for the modern site.

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