Route départementale française D12 (32)

Route départementale D41B (31), D12 (32)
Localisation
Pays	France
Départements	Haute-Garonne (31), Gers (32)
Caractéristiques de 1831 à 1938
Itinéraire	Gimont - Nénigan (31)
Longueur	34 km
Caractéristiques de 1938 à 1989
Itinéraire	Mauvezin - Boulogne-sur-Gesse (31)
Longueur	51,27 km
Caractéristiques actuelles
Itinéraire	D654 - D632 (Mauvezin - Lunax (31))
Longueur	46,919 km

Présentation

• La route départementale D12 (32), ou RD12 (32), est une route départementale du Gers (32) qui relie Mauvezin à Lunax.
• Elle est prolongée dans la Haute-Garonne (31) par la D41^B.
• La D12 (32) comporte une annexe et quelques embranchements :
  • la D12^A correspond à l'annexe de la gare de Gimont ;
  • la D212 correspond à l'embranchement de Mauvezin à Puycasquier ;
  • la D312 correspond à l'embranchement de Monbardon vers Nénigan (31) ; correspond au tracé initial de la D12 (32).

Historique

Dans la Haute-Garonne

• La D41^B classée après 1938 est issue du chemin vicinal de grande communication n° 41^b (31) ou Gc41^b (31) classé en 1936. Elle constitue le prolongement de la D12 (32) depuis la mise en eaux du barrage de la Gimone.
• La D9^F (31) classée après 1938 est issue du chemin vicinal de grande communication n° 9^f (31) ou Gc9^f (31) classé en 1936. Elle a eu constitué le prolongement de la D12 (32) entre 1938 et 1989.

Dans le Gers

• À sa création en 1831, la route départementale française D12 (32), ou RD12 (32), est définie par l'ordonnance du 18 septembre 1831 comme étant la route de Gimont à Nénignan (Haute-Garonne), par Saramon.
• Après 1938, l'itinéraire deviendra la route allant de Mauvezin à Boulogne-sur-Gesse (Haute-Garonne), par Gimont et Saramon. La construction du barrage de la Gimone dans les années 1980 va rectifier la route la redirigeant vers la D41^B (31) au lieu de la D9^F (31) initialement.

Autour de la route

• Simorre
• Lac et barrage de la Gimone

Tracé

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003EMauvezin\n\u003C/p\u003E\u003C/div\u003E","title":"Mauvezin\n","link":"","lat":43.727612,"lon":0.884757,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ELunax\n\u003C/p\u003E\u003C/div\u003E","title":"Lunax\n","link":"","lat":43.330341,"lon":0.69431,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EBoulogne-sur-Gesse (31)\n\u003C/p\u003E\u003C/div\u003E","title":"Boulogne-sur-Gesse (31)\n","link":"","lat":43.312226,"lon":0.644698,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EN\u00e9nigan (31)\n\u003C/p\u003E\u003C/div\u003E","title":"N\u00e9nigan (31)\n","link":"","lat":43.364448,"lon":0.70272,"icon":""}]}

Légende de la carte ou du tableau
En jaune	Tracé de la D41B (31) et de la D12 (32).
En vert	Tracé historique avant 1938 se dirigeant vers Nénigan (31).
En bleu ciel	Tracé entre 1938 et 1989 immergé par le lac de barrage de la Gimone.
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.

• Gers (32) - D12
  • D40 D654 D928 Mauvezin
  • Les Barraques
  • Gimont D4 D924 D924^G VC
  • Tirent-Pontéjac D149 D349
  • D626
  •  Tronc commun avec la D626.
  • Saramon D626
  • Larrouy
  • Saintes
  • Simorre
  • D27
  • Villefranche
  • Gaujan D51
  • Montbardon
• Haute-Garonne (31) - D41^B
  • Lunax D632