It is plausible that the road corresponding to Chemin Boisné was initiated during the reign of Augustus and continued in the 2nd century to establish a connection between the Atlantic coast, Saintes, and the Domitian Way via Périgueux, Sarlat, Rodez, and Nîmes.

[3][N 2] François Marvaud, while focusing on the Cognac region, mentions using the term Chemin Boine from the "gates of Périgueux.

P. Barrière's account indicates that the route departed from Périgueux via the Normande gate, traversing the present-day Denis-Papin and Pierre-Sémard streets.

It then proceeded through the modern-day Toulon district, where a milestone was discovered,[9] and continued along the road from Périgueux to Bordeaux until reaching the Beauronne bridge in Chancelade.

In the eighteenth century, Count-archaeologist Wlgrin de Taillefer [fr] provided a detailed account of the route's trajectory.

[7] The route crossed the Dronne at Port-d'Ambon (or Pont d'Ambon[N 2]) and Rochereil, situated to the south of Creyssac, via a bridge or ford.

[7] This Roman road traverses the Charente department for a distance of 60 km, and its route is meticulously documented, as it is designated as Chemin Boisné or Boisne on all cartographic representations.

[5] Archaeologist Jacques Dassié [fr] has narrowed the area of interest to a radius of approximately six kilometers surrounding the Château de la Mercerie, situated between Ronsenac and Magnac-Lavalette-Villars.

Archaeologists Michon and Marvaud have proposed that it should be located at Merpins,[4] which is a suitable site (given that it is a Roman fort[3]) despite the fact that there are some copying errors on the Peutinger Table.

[14] A-F. Lièvre posits that the location of Condate is likely to be either La Frenade or L'Anglade on the Né River, where archaeological evidence has been uncovered.

This route crossed the Lizonne at Pas de Pompeigne and proceeded towards Iculisma, potentially traversing Germanicomagus [fr] and Avedonacum.

It is possible that this route was in use before the Roman era, as it is known to have been referred to as the Chemin de la Faye (meaning "ridge road") during that period.

A-F. Lièvre posits that it traversed through Challignac, then proceeded in a southerly direction, crossing the Tude at Peudry (in Saint-Martial)[5] and continuing towards Ribérac (where Roman remains have been discovered at Villetoureix).

[18] Some authors, such as François-Marie Bourignon in 1801 and later François Marvaud[4] in 1863, deciphered some letters on it, suggesting that it could have been a milestone, although Jean-Hippolyte Michon doubted this in 1844.

A.-F. Lièvre, who favored one of Taillefer's hypotheses,[N 10] placed the milestone further north in the valley, possibly on a route leading to Poitiers and Nantes, via Brantôme, Bouëx, Montignac-Charente, Mansle, and Rom.

It had been transformed into a sarcophagus basin in late antiquity or the early Middle Ages, after being reshaped to cut off the first lines of the inscription.

[5] The Gallic league hypothesis was further examined by Jacques Dassié [fr], who also proposed that this distance marked the fines, but that of the city of Petrocorii, a boundary he placed at Aubeterre-sur-Dronne, through which he believed the route passed.

Discovered in 1863 during the first excavations of the Gallo-Roman cemetery at the "Terrier de la Chapelle" (a chapel dedicated to Saint Sône, destroyed in the 18th century), some 600 meters east-south-east of the village,[N 16] the milestone was initially moved to the roadside near the site.

It is thought that a milestone was found in the commune of Éraville (Charente), where the Boisné road crosses the Biau, but there is no archaeological evidence of this.