Route départementale française D6 (21)

Route départementale D6 (21)
Flèches Michelin à Moloy © Lloyd_cf
Localisation
Pays	France
Département	Côte-d'Or (21)
Caractéristiques de 1933 à 198x
Itinéraire	Alise-Sainte-Reine - Billy-lès-Chanceaux // Poncey-sur-l'Ignon - Is-sur-Tille
Longueur	17,5 km // 39 km (56,5 km)
Caractéristiques actuelles
Itinéraire	Alise-Sainte-Reine - Billy-lès-Chanceaux // Poncey-sur-l'Ignon - Lamargelle // Diénay - Is-sur-Tille
Longueur	17,5 km // 10 km // 5 km (32,5 km)

Présentation

• La route départementale D6 (21), ou RD6 (21), est une route départementale de la Côte-d'Or (21) qui relie Alise-Sainte-Reine à Is-sur-Tille.

Historique

• Il était prévu dès 1803 d'attribuer ce numéro à la route de Dijon à Autun par Sombernon et Arnay. Elle devait s'embrancher à Sombernon. Au final, la partie de Sombernon à Vandenesse sera utilisée en 1837 pour la N77^Bis, le reste devenant N494 en 1933 puis N81 en 1973.
• La première route à avoir vraiment porté ce numéro, dès 1813, fut la route d'Avallon à Pontarlier, par Epoisse, Semur, Flavigny, Chanceaux, Is-sur-Tille et Mirebeau. Il s'agit en réalité de Pontailler. Le tracé par Flavigny ne fut finalement pas retenu, et on préféra passer par Vénarey-les-Laumes, certainement à l'avènement de la gare des Laumes au cours du XIX^e siècle.
• Elle devint Gc6 et conserva son numéro, sauf sur la partie Avallon - Vénarey-les-Laumes qui devint N454 et la partie Is-sur-Tille - Pontailler qui devint N459 en 1933.
• Ce Gc ne possédait pas d'annexes.
• Dans les années 1980, une large partie de son itinéraire a été utilisée pour créer la D901.
• La D6 possède quelques petites routes annexes:
  • La D6^B dessert Tarsul
  • La D6^C de Villecomte à Chaignay
  • La D6^D dessert Frôlois
  • La D6^E dessert Saulx-le-Duc
• Ce sont d'anciens Vo.

Autour de la route

• Site d'Alésia
• Château de Bussy-Rabutin
• Village de Frôlois
• Sources de la Seine

Tracés

Chargement de la carte...

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Légende de la carte ou du tableau
En orange	Tracé du Gc6 (21) repris en octobre 1930 par la D954 et en janvier 1932 par la D959.
En jaune	Tracé actuel.
En vert	Tracé des annexes se terminant par leur lettre.
En violet	Tracé repris par la D901.
Pour plus d'informations sur les sources cartographiques, consulter cet article.
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• Côte-d'Or (21) - D6
  • D954 Alise-Sainte-Reine ( Alesia)
  • D10
  • Darcey D103
  • D19
  • Carrefour du Défens D114
  •  Court tronc commun avec la D971, dans la traversée de Chanceaux.
  •  Ligne de partage des eaux entre La Manche et Mer Méditerranée.
  • Pellerey D26
  • D16
  • Lamargelle
• Côte-d'Or (21) - D901
  • Frénois
  • Moloy D996 (Traversée de Moloy toujours en D6)
  • Courtivron
• Côte-d'Or (21) - D6
  • Diénay D103 D901
  • Is-sur-Tille D903 D959