Route nationale française 663

Route nationale 663
Localisation
Pays	France
Régions	Auvergne-Rhône-Alpes, Occitanie
Caractéristiques de 1933 à 1973
Itinéraire	Maurs - Decazeville
Longueur	22,8 km

Présentation

• La route nationale 663, ou RN663, est une ancienne route nationale française qui reliait Maurs (RN122) à Decazeville (RN662).

Historique

Généralités

• A sa création, en 1933, elle est définie comme la route de Maurs à Decazeville.
• Elle est issue du chemin vicinal de grande communication n° 7 du Cantal, ou Gc7 (15), et du chemin vicinal de grande communication n° 5 de l'Aveyron, ou Gc5 (12).
• Elle est déclassée en 1973 en D663 dans le Cantal (15) et D963 dans l'Aveyron (12).

Aménagements

• Le tracé qui était particulièrement tortueux a été très largement rectifié dans les années 1980.
• Déviation de Saint-Constant-Fournoulès : fin des années 1980, en deux phases.

Autour de la route

• Mines à ciel ouvert de La Découverte de Decazeville,
• Musée de géologie à Decazeville,
• Vallée du Lot à Port d'Agrès,

Tracé historique

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003EMaurs\n\u003C/p\u003E\u003C/div\u003E","title":"Maurs\n","link":"","lat":44.711359,"lon":2.197996,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EDecazeville\n\u003C/p\u003E\u003C/div\u003E","title":"Decazeville\n","link":"","lat":44.562958,"lon":2.247855,"icon":""}]}

Légende de la carte ou du tableau
En rouge	Tracé de 1933 à 1973.
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.

• Cantal (15) - D663
  • Maurs
    • N122 D19 D319 Maurs Centre
    • La Rance
    • Les Barthes  
    • Le Vert
  • Saint-Constant (déviée par le nord)
    • Le Péchaire
    • Monplaisir
• Cantal (15) - D763
  • Saint-Constant
    • Le Célé
    • Saint-Constant Village
    • Mazet
• Cantal (15) - D663
  • Saint-Constant Fourcal
  • Saint-Martin-de-Maurs La Blanquie
• Aveyron (12) - D963
  • Saint-Julien-de-Piganiol
    • Saint-Julien Village
    • Maspourquet
    • Brayès
  • Saint-Pärthem
    • Port-d'Agrès
    • Le Rayet
  • Le Lot
  • Flagnac
    • La Griffoulière  
    • Le Crucifix
    • Limou Ruisseau de Limou
  • Decazeville
    • Les Fargues
    • Les Estaques
    • Decazeville Centre   D840 (vers D221)