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Origin and history

The Via Domitia is a major Roman road built from 118 B.C. under the impulse of the proconsul Cneus Domitius Ahenobarbus. It linked Italy to the Iberian peninsula by crossing the Narbonnaise Gaul, facilitating military, commercial and cultural exchanges. Its 780 km long route followed a strategic route through key cities such as Narbonne, Nîmes and Beaucaire, while avoiding the independent territory of Marseille.

The construction of this route was aimed at consolidating the Roman presence in Gaul after the conquest completed around 120 BC. It allowed for the rapid movement of legions and merchants, while integrating infrastructure such as miles, bridges (such as the Julien bridge near Apt) and urban doors (e.g. the Auguste to Nîmes gate). Via Domitia ran through a variety of landscapes, from the Alps to the Montgenèvre pass to the plains of Languedoc, including major archaeological sites such as Glanum or Ambrussum.

In Pinet, Hérault, a section of Via Domitia has been protected as historical monuments since 1995. This segment is one of the remains still visible today, alongside other sections classified as the Ambroix Bridge (Villetelle) or the Ambrussum Oppidum. The route, originally designed for military use, quickly became a vital commercial axis, linking the Roman cities and promoting local economic development.

After the fall of the Roman Empire, certain sections of the Via Domitia remained in use in the Middle Ages, integrated into routes such as the Strata francesa. Its legacy persists in modern toponymy (e.g. " avenue de la Voie Domitienne" in Montpellier) and in contemporary infrastructure, with some current roads (e.g. A9) partially resuming its historic route.

The Via Domitia is mentioned in ancient sources such as the Table de Puisinger and the cups of Vicarello, as well as in literary texts, including the Pro Fonteio de Cicero. The latter refers to accusations of malfeasance related to his interview, stressing his strategic importance. Archaeological excavations, such as those at the Panissars Pass, revealed key elements, such as the foundations of the Pompey Trophy (71 B.C.), marking the border between Gaul and Hispania.

Today, Via Domitia symbolizes Roman engineering and its impact on Gallo-Roman urban planning. His study continues to reveal details of construction techniques (stratified gravel layers, paving in the city) and his role in the romanization of conquered territories. The protected remains, like those of Pinet, offer a tangible testimony of this ancient heritage.

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