Route nationale française 481

Route nationale 481
Panneaux de la RN481 à Grenoble.© G.E.
Localisation
Pays	France
Régions	Bourgogne-Franche-Comté Auvergne-Rhône-Alpes
Exploitation
Gestionnaire	DIR Centre-Est
Caractéristiques de 1933 à 1973
Itinéraire	Chagny - Cluny
Longueur	57 km
Caractéristiques actuelles
Itinéraire	Saint-Martin-le-Vinoux - Grenoble
Longueur	5 km

Présentation

• La route nationale 481, ou RN481, est une route nationale française qui a connu deux affectations au cours des déclassements et reclassements dans la voirie nationale :
  • De nos jours, elle relie Saint-Martin-le-Vinoux, dans le prolongement de l'A48, à Grenoble, sur l'ancienne RN75.
  • À partir de 1933 et jusqu'à la réforme de 1972, elle reliait Cluny, sur l'ancienne RN80, à Chagny, sur l'ancienne RN6.

Historique

De Saint-Martin-le-Vinoux à Grenoble (depuis 2011)

Voir l'article : Autoroute française A48 (Ancien tronçon).

• La RN481 actuelle correspond à un ancien tronçon de l'A48, déclassé dans la voirie nationale en 2011 en vue de la réalisation de la ligne E du tramway de Grenoble.
• Il est à noter que son bornage est resté celui de l'A48 : sa première borne kilométrique affiche le PR 94, là où la dernière borne de l'autoroute correspond au PR 93. D'un point de vue administratif, seule son origine est placée au PR 0, même si celui-ci n'est pas matérialisé sur place.
• Bien que cet axe possède des caractéristiques autoroutières, il s'agit depuis son déclassement d'une voie express.
• Elle est non concédée et gérée par la DIR Centre-Est, bien qu'elle se situe intégralement sur le territoire de Grenoble-Alpes Métropole.

De Chagny à Cluny (de 1933 à 1973)

• À sa création, en 1933, la RN481 est définie comme la route de Chagny à Cluny.
• Elle se situe intégralement en Saône-et-Loire (71) et est issue :
  • d'un tronçon du chemin de grande communication n° 72, ou Gc72, pour la section comprise entre Chagny et Givry ;
  • du chemin de grande communication n° 69, ou Gc69, pour la section comprise entre Givry et Saint-Désert ;
  • d'un second tronçon du chemin de grande communication n° 72, ou Gc72, pour la section comprise entre Saint-Désert et la limite Sud de la commune de Sercy ;
  • d'un court tronçon du chemin de grande communication n° 67, ou Gc67, pour la traversée de la vallée de la Grosne par le Pont d'Épinet, au Sud de Sercy ;
  • du chemin de grande communication n° 93, ou Gc93, pour la section comprise entre Sercy et Cluny.
• En 1950, elle est raccourcie de quelques kilomètres à Cluny, déclassés dans la voirie communale à l'occasion de la mise en service de la déviation de la ville par la RN80.
• Elle est déclassée en 1973 et devient la D981.

Autour de la route

• Abbaye de Cluny.
• Château de Cormatin.
• Côte Chalonnaise (Vins de Buxy, Givry, Rully).

Tracés historiques

De Saint-Martin-le-Vinoux à Grenoble (depuis 2011)

Chargement de la carte...

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En rouge	Tracé actuel.
Pour plus d'informations sur les sources cartographiques, consulter cet article.
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Entrée sur la RN481 à la sortie de Saint-Martin-le-Vinoux. © G.E.

• Isère (38) / Grenoble-Alpes Métropole - N481
  •  A48
  •  N481
  •   15  (Saint-Égrève-Z.A.) : Villes desservies : Z.I. Saint-Martin-le-Vinoux, Z.A. de Saint-Égrève (demi-échangeur)
  •   16  (Parc d'Oxford) : Ville desservie : Parc d'Oxford (quart-échangeur)
  •   16  (Polygone Scientifique) D531^C : Villes desservies : Grenoble-Gares, Europôle, Polygone Scientifique (demi-échangeur)
  •   17  (Saint-Égrève Sud) D1075 : Villes desservies : Saint-Martin-le-Vinoux, Saint-Égrève-Sud (demi-échangeur)
  •   Entrée sur la voie rapide vers Lyon uniquement.  (quart-échangeur)
  •  N481
  •      D1075 Grenoble Porte de France

De Chagny à Cluny (de 1933 à 1973)

Chargement de la carte...

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Légende de la carte ou du tableau
En rouge	Tracé déclassé en 1973.
En orange	Sections déclassées localement après déviation.
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.

Buxy dans les années 1930 : on y voit au loin deux panneaux de la RN481. © Carte postale ancienne

• Saône-et-Loire (71) - D981
  • Cluny
    • D15 Cluny Centre Nombreux Monuments (Vestiges de l'Abbaye) (vers D15)
    • Déviation de Cluny   D980
    • La Pêtouze
    • Saint-Lazare
  • Lournand
    • Carrière des Moines
    • Le Pont de Cotte
  • Massilly
  • Taizé Église Sainte-Marie-Madeleine XII^e Le Bay
  • Ameugny La Prairie
  • Cormatin
    • La Garenne La Grosne D14
    • Saint-Roch
    • Cormatin Village Château D14
  • Malay La Place Église Notre-Dame-de-la-Nativité
  • Sercy
    • D67
    • Pont d'Épinet La Grosne
    • Les Brosses D67
    • Sercy Village
  • D49
  • Saint-Boil
    • Le Mousseau
    • La Mouille
  • Saint-Boil Village
  • Saules Les Ménereaux
  • Chenôves Les Filletières
  • Jully-lès-Buxy La Guiche
  • Saint-Vallerin Les Cours Perrault
  • Buxy Église XII-XVI^e, Centre Ancien, Musée du Vigneron
    • Saint-Jacques
    • Buxy Centre D18 D977
    • Le Clouzot
    • Le Poirier Saint-Jean
    • Château du Cray
    • La Folie
  • Bissey-sous-Cruchaud La Brosse Ruisseau de Couramble
  • Rosey Le Quart Baudot
  • Saint-Désert
    • D69
    •    N80   3 
  • Givry Hôtel de Ville, Halles Rondes
    • Maison-Dieu
    • Voyant
    • Givry-Centre D69
    • Puits Bréchet
  • Mellecey
    • Germolles Château L'Orbize
    • Chapelle de Marloux   D978
  • Mercurey Croix Gault
  • Fontaines
    • Saint-Nicolas
    • Le Fourneau
  • Rully Château
    • La Thalie
    • Les Murgers  
  • Chagny Église Saint-Martin, Château
    • Les Maladières
    • Canal du Centre
    • Chagny-Zone Industrielle   D62