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All Roads

Every known road of the Roman Empire.

Roads from Itiner-e, the 2024 edition of the high-resolution dataset of Roman roads by Pau de Soto, Adam Pažout, Tom Brughmans and colleagues at Aarhus and Barcelona, described in Scientific Data (2025) and shared under CC BY 4.0. Coastlines from Natural Earth. Places are named from the road records, which name each stretch of road for the places at its two ends; the points in between are forks. Walking times are a model, not a record. Two spellings of the Bordeaux itinerary and of the Ravenna Cosmography are counted together, and one builder’s dates, written 189-187 CE, are read as BCE, when Marcus Aemilius Lepidus built the Via Aemilia.