Now that you have the map, how to come to Bar-sur-Aube. Just GOOGLE and find your route, CLICK Here …
Paris A5 to Troyes and Lyon, branche off at Vendeuvre D433 and RN19 to Bar-sur-Aube.
Calais A26-E15 to Reims, A5-E17 to Troyes, branch off at Arcis-sur-Aube D441 to Brienne-le-Chateau and Bar-sur-Aube.
Brussels E19 to Reims and follow E17 to Troyes, branche off at Vendeuvre D433 and RN19 to Bar-sur-Aube.
Lyon A6 to Dijon A31-A5-E17 and E54. After Chaumont branch off at Ville-sur-la-Ferte D396 to Bar-sur-Aube.
Germany, e.g., A48 and N1 to Luxembourg, follow A31 to Metz and Nancy, still A31 and E21 to Toul and Chaumont, N74 to Bar-sur-Aube.