Route départementale française D23 (43)

Route départementale D23 (43), D112 (07)
Localisation
Pays	France
Départements	Ardèche (07) Haute-Loire (43)
Caractéristiques actuelles
Itinéraire	D500 - D9 Saint-Just-Malmont - Saint-André-en-Vivarais (07)
Longueur	24,15 km

Présentation

• La route départementale D23 (43), ou RD23 (43), est une route départementale de la Haute-Loire (43) qui relie Saint-Just-Malmont à Saint-André-en-Vivarais.
• Elle est prolongée en Ardèche (07) par la D112.

Historique

Généralités

• En Ardèche (07), la D112 (07) classée après 1938 est issue du chemin vicinal de grande communication n° 12 ou Gc12 (07), créée après 1836, correspondant au chemin allant de Saint-Agrève à Saint-Étienne (Loire).
• En Haute-Loire (43), la D23 (43) classée après 1938 est issue du chemin vicinal de grande communication n° 10 ou Gc10 (43), créée après 1836, correspondant au chemin allant du Chambon (Loire) à Saint-Agrève (Ardèche). Il sera renuméroté quelques années plus tard en Gc9 (43), avant d'être reclassé à partir de 1891 en Gc23 (43). En 1933, une partie de la route sera reversée à la RN500 entre la Loire (42) et Saint-Just-Malmont.

Aménagements

• Déviation de Saint-Romain-Lachalm : 1995.

Tracé

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003Elimite d\u00e9partementale 42/43\n\u003C/p\u003E\u003C/div\u003E","title":"limite d\u00e9partementale 42/43\n","link":"","lat":45.361139,"lon":4.304447,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Just-Malmont\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Just-Malmont\n","link":"","lat":45.329642,"lon":4.314408,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Andr\u00e9-en-Vivarais\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Andr\u00e9-en-Vivarais\n","link":"","lat":45.117994,"lon":4.409101,"icon":""}]}

Légende de la carte ou du tableau
En jaune	Tracé de la D23 (43), D112 (07).
En bleu ciel	Anciens tracés avant rectifications du XIXe siècle.
En violet	Troncs communs avec d'autres routes.
Pour plus d'informations sur les sources cartographiques, consulter cet article.
La carte ne s'affiche pas ? Merci d'éditer l'article et de le sauvegarder sans aucune modification.

• Haute-Loire (43) - D23
  • D500 Saint-Just-Malmont
  • D12
  • Saint-Victor-Malescours
  • Saint-Romain-Lachalm D45
  • Dunières D44 D61
  • D501
  • La Collange
  •  Tronc commun avec la D105.
• Ardèche (07) - D112
  • D18
  •  Ligne de partage des eaux entre Océan Atlantique et Mer Méditerranée.
  • Saint-André-en-Vivarais D9