Route nationale française 80

Route nationale 80RCEA
Borne Michelin sur la RN80.© Laurent Saccaro
Localisation
Pays	France
Région	Bourgogne-Franche-Comté
Exploitation
Gestionnaire	DIR Centre-Est
Caractéristiques de 1824 à 1973
Itinéraire	Cluny - Châtillon-sur-Seine
Longueur	249 km
Caractéristiques de 1973 à 1976
Itinéraire	Montcenis - Autun
Longueur	25 km
Caractéristiques de 1976 à 1978
Itinéraire	Montchanin - Autun
Longueur	36 km
Caractéristiques de 1978 à 1994
Itinéraire	La Villeneuve - Autun
Longueur	68 km
Caractéristiques de 1994 à 2006
Itinéraire	Saint-Marcel - Autun
Longueur	68 km
Caractéristiques actuelles
Itinéraire	D906 - N70 Saint-Rémy - Montchanin
Longueur	28 km

Présentation

• La route nationale 80, ou RN80, est une route nationale française qui a connu trois grandes affectations au fur et à mesure des classements et déclassements dans la voirie nationale.
• De sa création en 1824 à 1973, elle reliait Cluny à Châtillon-sur-Seine, via Autun. Ce tracé fut déclassé en D980, à l'exception de la section comprise entre Montcenis et Autun.
• Après diverses adjonctions, cette route relia Chalon-sur-Saône (en réalité Saint-Marcel) à Autun, via Le Creusot, et ce jusqu'en 2006 où elle fut déclassée en D680 entre Montchanin et Autun.
• Depuis 2006, seule la section de Saint-Rémy (Chalon-sur-Saône) à Montchanin, appartenant à la RCEA et aménagée en 2x2 voies, est maintenue dans le domaine routier national.

Historique

Généralités

• A sa création, en 1824, la RN80 est décrite comme étant la route de Mâcon à Châtillon-sur-Seine. Elle s'embranche en deçà de Cluny, sur la route précédente. Elle succède alors à la route impériale 98.
• La première partie de cette route, entre Cluny et Autun, avait été amorcée à la fin du XVIII^e siècle par les États de Bourgogne pour créer un itinéraire censé être le plus court parmi ceux envisageables entre Paris et Lyon. Le principe du tracé par Montcenis et Blanzy avait été arrêté en 1784 à la demande du Gouvernement pour donner une desserte à la fonderie royale d'artillerie qui venait d'être créée au Creusot, et permettre le transport à Lyon et à Paris des fers et des charbons de la région. Sa construction, interrompue à la Révolution, n'avait réellement repris qu'au milieu des années 1830.
• Les années 1970 virent un profond remaniement du tracé de la route :
  • La réforme de 1972 déclassa les sections de Cluny à Montcenis et d'Autun à Châtillon-sur-Seine, qui devinrent D980 dans les trois départements concernés.
  • En 1976, elle se vit adjoindre par classement le 11 août un tronçon d'une dizaine de kilomètres entre Montchanin et Montcenis, desservant entre autres Le Creusot. Ce tronçon avait été conçu comme une déviation de la D18.
  • En 1978, elle récupéra deux tronçons : d'une part, la voie express qu'avait construit le département de Saône-et-Loire entre Chalon-sur-Saône et le bassin industriel du Creusot-Montceau, rattachée - provisoirement - à la RN74 par classement du 23 janvier 1974, et d'autre part, la rocade Sud de Chalon-sur-Saône, entre Saint-Rémy sur la RN6 et La Villeneuve sur l'ancienne RN78, rocade qui était par ailleurs en service depuis plusieurs années sans numéro.
  • Dans la nomenclature des routes nationales de 1978, elle devient alors la route de Saint-Marcel à Autun, N. 81.
• Il s'avère que l'origine de la RN80, à La Villeneuve, était située sur une route départementale, à savoir la D978, et qu'elle commençait étrangement au point-repère (PR) 7.
  • Cette situation inhabituelle est liée à un ancien projet de prolongement de la rocade Sud de Chalon-sur-Saône jusqu'à Châtenoy-en-Bresse, sur la RN73.
  • Anticipant ce projet dont l'échéance était fixée à trois ans environ, la Direction Départementale de l'Équipement (DDE) de Saône-et-Loire décida de ne pas créer d'itinéraire provisoire à travers Saint-Marcel et fixa le PR0 de la RN80 à son emplacement futur.
  • Le projet de prolongement de la rocade fut abandonné au début des années 1990, remplacé par un autre projet de liaison plus modeste entre les RN73 et RN80 exploitant la voirie de la zone industrielle Sud, approuvé par décision ministérielle du 17 juillet 1991.
  • En 1994, ce barreau de liaison entre les deux routes nationales est mis en service et intégré à la RN80. Son origine est alors déplacée au Rond-Point des Orlans, tandis que l'ancien tronçon entre Saint-Marcel et la zone industrielle Sud est logiquement déclassé, devenant la D978^B.
  • Il est à noter que malgré l'aboutissement de ce prolongement de la RN80 jusqu'au Rond-Point des Orlans, celle-ci commençait toujours au PR7.
• De nos jours, il ne reste plus rien de la RN80 historique :
  • La réforme de 2005 entraîna le déclassement de la section de Montchanin à Autun et de la rocade de Chalon-sur-Saône. La première devint la D680 tandis que la seconde fut rattachée à la D673.
  • Par ailleurs, à la fin des années 1970, la construction de la LGV Paris-Sud-Est entraîna plusieurs modifications du tracé de la route au Sud de Cluny.
  • La RN80 relie désormais Saint-Rémy, sur la D906, à Montchanin, sur l'actuelle RN70.

Construction

• Section Les Grandes-Bruyères - La Prairie : 1860.
• Section La Prairie - Gué-Marion : 1844 (exhaussement).
• Pont de Cluny sur la Grosne : 1851.
• Section Salornay-sur-Guye - La Croisée-de-Cray : 1835, réparée entre Salornay-sur-Guye et Le Gué Gallet en 1840.
• Section La Croisée-de-Cray - Moulin de Command : 1837.
• Section Moulin de Command - Les Brosses-Tillots : 1838.
• Section Maison-Rouge - La Beluze : 1841.
• Section La Beluze - Blanzy : 1838.
• Section Blanzy - Les Machurons : 1838 (réparations).
• Section Les Machurons - Les Renardières : 1838.
• Section Montcenis - L'Étang-Bureau : 1842 (réparations).
• Section L'Étang-Bureau - Marmagne : vers 1850 (réparations).
• Section Marmagne - Les Grolliers : 1842.
• Section Les Grolliers - Les Renaudiots : 1845.
• Rectification d'Usseau : 1888.
• Section Saulieu - Sainte-Isabelle : 1863.
• Rectification de Collemoine : 1864.
• Rectification du Moulin-Naulon : 1864.
• Section Les Macheterres - Courcelles-lès-Semur : janvier 1866.
• Section Semur-en-Auxois - Montbard : rectification de Chevigny en 1837 et 1846 (viaduc), de Champ-d'Oiseau et à l'entrée de Montbard en 1848.
• Section Montbard - Châtillon-sur-Seine : 1847 (rectification de la sortie de Montbard et au droit de Puits).
• Ponts de Châtillon-sur-Seine : 1837 (reconstruction).

Aménagements

Tracé avant 1973

• Rectification du Mont-Clair : 1979, en préalable aux travaux de construction de la LGV Paris-Sud-Est.
• Déviation de Cluny : section Sud-Est ouverte en 1946, section Nord-Est en 1950 et section Nord-Ouest en 1957.
• Rectification du tracé entre Montceau-les-Mines et Saint-Marcelin-de-Cray : prévue à partir de la fin des années 1950, la construction d'un nouveau tracé entre Montceau-les-Mines et Saint-Marcelin-de-Cray devant éviter la section historique tortueuse et pentue ne fut finalement jamais réalisée.
• Déviation partielle de Montbard : 1983.

Tracé avant 2006

• Déviation de Chalon-sur-Saône : voir Rocade de Chalon-sur-Saône.
• Déviation de Montchanin : 1966.
• Liaison Montchanin - Torcy : 1945.
• Liaison Torcy - Montcenis : 1972 entre Torcy et la D601, 1973 entre la D601 et la D1 et 1975 entre la D1 et la D980.

Futur

• La mise à 2x2 voies et aux normes voie express de la RN80 se poursuit dans le cadre de la RCEA. En 2010, l'intégralité du tracé est traitée, sauf aux extrémités.
• Il est prévu de déniveler le carrefour giratoire Jeanne-Rose à Monchanin dont la configuration hors normes est peu lisible et source de ralentissements.
• Cependant, l'aménagement défectueux (deux voies, carrefours à niveau inappropriés au trafic) et encombré à la jonction avec l'A6 devrait rester en l'état.

Autour de la route

• Abbaye de Fontenay.
• Ville antique et cathédrale d'Autun.
• Écomusée du Creusot (Patrimoine industriel).
• Vignobles du Châlonnais (Buxy, Givry, …)
• Le Mont-Saint-Vincent et l'église de Gourdon.

Tracés historiques

Chargement de la carte...

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1840\n","link":"","strokeColor":"#03FAEB","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.956858,"lon":4.298207},{"lat":46.955086,"lon":4.299763},{"lat":46.954009,"lon":4.30031},{"lat":46.953541,"lon":4.301099},{"lat":46.951501,"lon":4.299779},{"lat":46.950597,"lon":4.29958},{"lat":46.948996,"lon":4.297917},{"lat":46.948249,"lon":4.29854},{"lat":46.948051,"lon":4.298647},{"lat":46.947348,"lon":4.299291},{"lat":46.947055,"lon":4.299629},{"lat":46.9467,"lon":4.299913},{"lat":46.946502,"lon":4.300267},{"lat":46.946004,"lon":4.300449},{"lat":46.945576,"lon":4.300251},{"lat":46.945254,"lon":4.299446},{"lat":46.944873,"lon":4.299586},{"lat":46.944294,"lon":4.298953},{"lat":46.943935,"lon":4.299114},{"lat":46.94347,"lon":4.299591},{"lat":46.942939,"lon":4.299929},{"lat":46.942423,"lon":4.300315},{"lat":46.942023,"lon":4.30024},{"lat":46.939899,"lon":4.298835},{"lat":46.938222,"lon":4.29855},{"lat":46.937526,"lon":4.298545},{"lat":46.937412,"lon":4.298722},{"lat":46.937515,"lon":4.299768},{"lat":46.937537,"lon":4.30061},{"lat":46.937738,"lon":4.301581},{"lat":46.937987,"lon":4.302365},{"lat":46.937918,"lon":4.302547},{"lat":46.937734,"lon":4.302509},{"lat":46.937474,"lon":4.301978},{"lat":46.934284,"lon":4.296764},{"lat":46.934178,"lon":4.296802},{"lat":46.934269,"lon":4.29862},{"lat":46.934225,"lon":4.299913},{"lat":46.934277,"lon":4.300165},{"lat":46.934811,"lon":4.300755},{"lat":46.935291,"lon":4.30178},{"lat":46.93557,"lon":4.302091},{"lat":46.935716,"lon":4.302343},{"lat":46.936057,"lon":4.30325},{"lat":46.936291,"lon":4.304301},{"lat":46.936354,"lon":4.305353},{"lat":46.937266,"lon":4.308448},{"lat":46.937507,"lon":4.31017},{"lat":46.937643,"lon":4.31164},{"lat":46.93783,"lon":4.312466},{"lat":46.937819,"lon":4.313142},{"lat":46.937625,"lon":4.313635},{"lat":46.937258,"lon":4.313871},{"lat":46.936302,"lon":4.313678},{"lat":46.935097,"lon":4.313195},{"lat":46.934075,"lon":4.313635},{"lat":46.933185,"lon":4.313614},{"lat":46.932852,"lon":4.313804},{"lat":46.932002,"lon":4.315005},{"lat":46.930595,"lon":4.317409},{"lat":46.929731,"lon":4.320681},{"lat":46.928353,"lon":4.323428},{"lat":46.928075,"lon":4.324822},{"lat":46.927679,"lon":4.325702},{"lat":46.926646,"lon":4.326582},{"lat":46.926097,"lon":4.326614},{"lat":46.925716,"lon":4.326303},{"lat":46.925503,"lon":4.325809},{"lat":46.92488,"lon":4.325777},{"lat":46.924279,"lon":4.325573},{"lat":46.923964,"lon":4.32596},{"lat":46.923261,"lon":4.328095},{"lat":46.922426,"lon":4.329586},{"lat":46.919297,"lon":4.331292},{"lat":46.916248,"lon":4.331925},{"lat":46.914965,"lon":4.332386},{"lat":46.89244,"lon":4.357728},{"lat":46.891765,"lon":4.358017},{"lat":46.886402,"lon":4.358119},{"lat":46.884169,"lon":4.356472},{"lat":46.882669,"lon":4.356419},{"lat":46.881969,"lon":4.35673},{"lat":46.880869,"lon":4.357465},{"lat":46.879773,"lon":4.357261},{"lat":46.878841,"lon":4.357991},{"lat":46.87857,"lon":4.358822},{"lat":46.878482,"lon":4.358779},{"lat":46.878728,"lon":4.357636},{"lat":46.879314,"lon":4.356381},{"lat":46.879963,"lon":4.355748},{"lat":46.880502,"lon":4.355367},{"lat":46.880825,"lon":4.354981},{"lat":46.880788,"lon":4.354895},{"lat":46.880433,"lon":4.355099},{"lat":46.87985,"lon":4.354986},{"lat":46.879285,"lon":4.355035},{"lat":46.878808,"lon":4.354976},{"lat":46.877598,"lon":4.355303},{"lat":46.877334,"lon":4.356102},{"lat":46.877158,"lon":4.356875},{"lat":46.876982,"lon":4.357229},{"lat":46.876509,"lon":4.357121},{"lat":46.876344,"lon":4.356789},{"lat":46.876003,"lon":4.355142},{"lat":46.875757,"lon":4.354997},{"lat":46.872758,"lon":4.356934},{"lat":46.867051,"lon":4.35747},{"lat":46.866054,"lon":4.357792},{"lat":46.864414,"lon":4.357792},{"lat":46.862804,"lon":4.356751},{"lat":46.862107,"lon":4.355888},{"lat":46.861476,"lon":4.355754},{"lat":46.860522,"lon":4.356097},{"lat":46.859393,"lon":4.355732},{"lat":46.856282,"lon":4.357148},{"lat":46.855842,"lon":4.356633},{"lat":46.855361,"lon":4.354214},{"lat":46.855152,"lon":4.353887},{"lat":46.854506,"lon":4.353779},{"lat":46.853912,"lon":4.352889},{"lat":46.853707,"lon":4.352819},{"lat":46.850816,"lon":4.356585},{"lat":46.850519,"lon":4.357819},{"lat":46.850276,"lon":4.358066},{"lat":46.849796,"lon":4.358168},{"lat":46.849003,"lon":4.357953},{"lat":46.848255,"lon":4.357234},{"lat":46.847807,"lon":4.357127},{"lat":46.846846,"lon":4.357749},{"lat":46.845114,"lon":4.357797},{"lat":46.843148,"lon":4.357299},{"lat":46.84281,"lon":4.357347},{"lat":46.84234,"lon":4.357164},{"lat":46.84186,"lon":4.357492},{"lat":46.840638,"lon":4.356612},{"lat":46.840241,"lon":4.356569},{"lat":46.836733,"lon":4.35902},{"lat":46.836678,"lon":4.35924},{"lat":46.836436,"lon":4.359208},{"lat":46.835794,"lon":4.35956},{"lat":46.835192,"lon":4.360198}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ETrac\u00e9 originel au pied de la mont\u00e9e du Bois-Clair rectifi\u00e9 par ordonnance du 8-3-1845\n\u003C/p\u003E\u003C/div\u003E","title":"Trac\u00e9 originel au pied de la mont\u00e9e du Bois-Clair rectifi\u00e9 par ordonnance du 8-3-1845\n","link":"","strokeColor":"#03FAEB","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.413606,"lon":4.660038},{"lat":46.401352,"lon":4.654042},{"lat":46.400812,"lon":4.653833},{"lat":46.400416,"lon":4.653828},{"lat":46.40005,"lon":4.654235},{"lat":46.399713,"lon":4.654305},{"lat":46.399469,"lon":4.654058},{"lat":46.399166,"lon":4.653414},{"lat":46.398803,"lon":4.653318},{"lat":46.397786,"lon":4.6535},{"lat":46.397261,"lon":4.653817},{"lat":46.395178,"lon":4.655904},{"lat":46.395022,"lon":4.655928},{"lat":46.394423,"lon":4.655214}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EAncien trac\u00e9 \u00e0 Saint-Marcel de 1978 \u00e0 1994\n\u003C/p\u003E\u003C/div\u003E","title":"Ancien trac\u00e9 \u00e0 Saint-Marcel de 1978 \u00e0 1994\n","link":"","strokeColor":"#FFFACD","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.761267,"lon":4.867596},{"lat":46.761623,"lon":4.869782},{"lat":46.761755,"lon":4.87255},{"lat":46.761256,"lon":4.883408},{"lat":46.761307,"lon":4.886219},{"lat":46.761572,"lon":4.889169},{"lat":46.761858,"lon":4.890424},{"lat":46.762887,"lon":4.892978}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EProlongement \u00e0 l'Est de Chalon-sur-Sa\u00f4ne abandonn\u00e9 vers 1990\n\u003C/p\u003E\u003C/div\u003E","title":"Prolongement \u00e0 l'Est de Chalon-sur-Sa\u00f4ne abandonn\u00e9 vers 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class=\"mw-parser-output\"\u003E\u003Cp\u003ETronc commun avec la N73 \u00e0 Autun\n\u003C/p\u003E\u003C/div\u003E","title":"Tronc commun avec la N73 \u00e0 Autun\n","link":"","strokeColor":"#F412F1","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.954985,"lon":4.294276},{"lat":46.950216,"lon":4.29871},{"lat":46.949858,"lon":4.299257},{"lat":46.949513,"lon":4.30033},{"lat":46.950758,"lon":4.303345},{"lat":46.950561,"lon":4.304461},{"lat":46.953702,"lon":4.3085},{"lat":46.954691,"lon":4.309852},{"lat":46.955021,"lon":4.310731}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ETrac\u00e9 repris sur les N73 et 78 en 1978 \u00e0 Autun\n\u003C/p\u003E\u003C/div\u003E","title":"Trac\u00e9 repris sur les N73 et 78 en 1978 \u00e0 Autun\n","link":"","strokeColor":"#1EFB07","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.960031,"lon":4.304945},{"lat":46.959332,"lon":4.305233},{"lat":46.958344,"lon":4.305753},{"lat":46.957663,"lon":4.306375},{"lat":46.95585,"lon":4.307142},{"lat":46.955532,"lon":4.309771},{"lat":46.955007,"lon":4.310739},{"lat":46.956366,"lon":4.315373},{"lat":46.953997,"lon":4.321819},{"lat":46.950947,"lon":4.329991},{"lat":46.949482,"lon":4.336777},{"lat":46.948185,"lon":4.342563},{"lat":46.948032,"lon":4.343606}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EAutun-Montcenis\n\u003C/p\u003E\u003C/div\u003E","title":"Autun-Montcenis\n","link":"","strokeColor":"#F8B708","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.948039,"lon":4.343616},{"lat":46.947834,"lon":4.348111},{"lat":46.948332,"lon":4.34971},{"lat":46.947687,"lon":4.35413},{"lat":46.947358,"lon":4.354752},{"lat":46.94675,"lon":4.355224},{"lat":46.946237,"lon":4.355257},{"lat":46.94226,"lon":4.353932},{"lat":46.940516,"lon":4.352666},{"lat":46.939154,"lon":4.351292},{"lat":46.937835,"lon":4.350756},{"lat":46.936707,"lon":4.350648},{"lat":46.935638,"lon":4.351378},{"lat":46.93303,"lon":4.356399},{"lat":46.931258,"lon":4.362834},{"lat":46.930789,"lon":4.363478},{"lat":46.929646,"lon":4.36425},{"lat":46.929206,"lon":4.365666},{"lat":46.928532,"lon":4.366396},{"lat":46.927067,"lon":4.366053},{"lat":46.925748,"lon":4.36704},{"lat":46.92522,"lon":4.367168},{"lat":46.923608,"lon":4.365666},{"lat":46.922964,"lon":4.365452},{"lat":46.922289,"lon":4.365924},{"lat":46.918127,"lon":4.373434},{"lat":46.917277,"lon":4.374464},{"lat":46.906679,"lon":4.382207},{"lat":46.894644,"lon":4.386437},{"lat":46.881062,"lon":4.396932},{"lat":46.880182,"lon":4.397018},{"lat":46.873621,"lon":4.394815},{"lat":46.872829,"lon":4.394171},{"lat":46.864018,"lon":4.376026},{"lat":46.863608,"lon":4.375683},{"lat":46.86305,"lon":4.376026},{"lat":46.862727,"lon":4.377614},{"lat":46.862434,"lon":4.3783},{"lat":46.860908,"lon":4.379931},{"lat":46.860262,"lon":4.38006},{"lat":46.858238,"lon":4.379674},{"lat":46.857739,"lon":4.379931},{"lat":46.857651,"lon":4.380661},{"lat":46.857621,"lon":4.381734},{"lat":46.857299,"lon":4.38212},{"lat":46.856917,"lon":4.38212},{"lat":46.854863,"lon":4.380189},{"lat":46.852984,"lon":4.378987},{"lat":46.852163,"lon":4.378815},{"lat":46.851194,"lon":4.379202},{"lat":46.849815,"lon":4.381004},{"lat":46.849462,"lon":4.381047},{"lat":46.848083,"lon":4.378987},{"lat":46.847966,"lon":4.378258},{"lat":46.847848,"lon":4.373322},{"lat":46.847643,"lon":4.372292},{"lat":46.846674,"lon":4.369592},{"lat":46.845353,"lon":4.36809},{"lat":46.844502,"lon":4.366803},{"lat":46.842447,"lon":4.36573},{"lat":46.841508,"lon":4.365902},{"lat":46.841038,"lon":4.365558},{"lat":46.840745,"lon":4.364056},{"lat":46.840304,"lon":4.36337},{"lat":46.838444,"lon":4.362664},{"lat":46.837608,"lon":4.361473},{"lat":46.836022,"lon":4.360078},{"lat":46.835377,"lon":4.360035},{"lat":46.830136,"lon":4.363983},{"lat":46.82869,"lon":4.363715},{"lat":46.828007,"lon":4.364284},{"lat":46.827721,"lon":4.365324},{"lat":46.826847,"lon":4.365839},{"lat":46.826073,"lon":4.367352},{"lat":46.825007,"lon":4.367368},{"lat":46.823476,"lon":4.368435},{"lat":46.822375,"lon":4.370152},{"lat":46.819967,"lon":4.37123},{"lat":46.818583,"lon":4.372791},{"lat":46.816762,"lon":4.373472},{"lat":46.81503,"lon":4.374663},{"lat":46.812948,"lon":4.375666},{"lat":46.812331,"lon":4.376074},{"lat":46.811612,"lon":4.376696},{"lat":46.810077,"lon":4.377737},{"lat":46.807452,"lon":4.378386},{"lat":46.805175,"lon":4.378214},{"lat":46.803725,"lon":4.377791},{"lat":46.80302,"lon":4.378075},{"lat":46.80141,"lon":4.380177}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EMontcenis-Montchanin repris sur la D18 en 1978\n\u003C/p\u003E\u003C/div\u003E","title":"Montcenis-Montchanin repris sur la D18 en 1978\n","link":"","strokeColor":"#1EFB07","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.80141,"lon":4.380177},{"lat":46.800346,"lon":4.381875},{"lat":46.799064,"lon":4.384611},{"lat":46.798422,"lon":4.386939},{"lat":46.798003,"lon":4.390297},{"lat":46.797504,"lon":4.392293},{"lat":46.7966,"lon":4.39402},{"lat":46.794411,"lon":4.396724},{"lat":46.792744,"lon":4.400055},{"lat":46.791304,"lon":4.401761},{"lat":46.787308,"lon":4.403992},{"lat":46.786015,"lon":4.405087},{"lat":46.78495,"lon":4.406492},{"lat":46.78409,"lon":4.408209},{"lat":46.782849,"lon":4.412243},{"lat":46.781901,"lon":4.414378},{"lat":46.780843,"lon":4.415987},{"lat":46.778477,"lon":4.418906},{"lat":46.776714,"lon":4.42133},{"lat":46.774936,"lon":4.424442},{"lat":46.773224,"lon":4.427735},{"lat":46.771967,"lon":4.429431},{"lat":46.769733,"lon":4.431694},{"lat":46.768572,"lon":4.433497},{"lat":46.767632,"lon":4.43605},{"lat":46.766941,"lon":4.439677},{"lat":46.7665,"lon":4.444505},{"lat":46.766544,"lon":4.447423},{"lat":46.766985,"lon":4.450025},{"lat":46.767867,"lon":4.452562},{"lat":46.759676,"lon":4.463688},{"lat":46.759154,"lon":4.465034},{"lat":46.758136,"lon":4.471305},{"lat":46.757148,"lon":4.475849},{"lat":46.755472,"lon":4.481809},{"lat":46.752888,"lon":4.489297},{"lat":46.752296,"lon":4.490354},{"lat":46.75155,"lon":4.491046},{"lat":46.74883,"lon":4.492722}]},{"text":"","title":"","link":"","strokeColor":"#F30A2B","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.74883,"lon":4.492722},{"lat":46.749404,"lon":4.502235},{"lat":46.749301,"lon":4.50521},{"lat":46.74436,"lon":4.529929},{"lat":46.744066,"lon":4.532826},{"lat":46.743934,"lon":4.538963},{"lat":46.743875,"lon":4.544413},{"lat":46.743404,"lon":4.54746},{"lat":46.742419,"lon":4.54967},{"lat":46.740758,"lon":4.553133},{"lat":46.740097,"lon":4.555751},{"lat":46.738728,"lon":4.562287},{"lat":46.738611,"lon":4.565814},{"lat":46.73895,"lon":4.56869},{"lat":46.740729,"lon":4.575921},{"lat":46.740641,"lon":4.578303},{"lat":46.740067,"lon":4.58062},{"lat":46.738817,"lon":4.582616},{"lat":46.73667,"lon":4.584826},{"lat":46.735758,"lon":4.586435},{"lat":46.735214,"lon":4.589031},{"lat":46.735597,"lon":4.591907},{"lat":46.737332,"lon":4.597271},{"lat":46.737846,"lon":4.600739},{"lat":46.737537,"lon":4.606791},{"lat":46.736861,"lon":4.61885},{"lat":46.736979,"lon":4.620682},{"lat":46.737464,"lon":4.623106},{"lat":46.741802,"lon":4.635415},{"lat":46.748949,"lon":4.654099},{"lat":46.752037,"lon":4.659592},{"lat":46.753095,"lon":4.663154},{"lat":46.753507,"lon":4.667574},{"lat":46.755065,"lon":4.692894},{"lat":46.756241,"lon":4.696886},{"lat":46.756888,"lon":4.70358},{"lat":46.7568,"lon":4.711648},{"lat":46.759181,"lon":4.735166},{"lat":46.760297,"lon":4.746351},{"lat":46.760179,"lon":4.750471},{"lat":46.757386,"lon":4.781413},{"lat":46.755624,"lon":4.808337},{"lat":46.755328,"lon":4.822826},{"lat":46.755306,"lon":4.824811},{"lat":46.755703,"lon":4.826693},{"lat":46.757813,"lon":4.83548},{"lat":46.758754,"lon":4.839492},{"lat":46.758717,"lon":4.841005},{"lat":46.758563,"lon":4.842829}]},{"text":"","title":"","link":"","strokeColor":"#F8B708","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":46.758563,"lon":4.842829},{"lat":46.75871,"lon":4.843558},{"lat":46.758982,"lon":4.844631},{"lat":46.758989,"lon":4.845661},{"lat":46.758754,"lon":4.848054},{"lat":46.758276,"lon":4.850489},{"lat":46.757578,"lon":4.852925},{"lat":46.75649,"lon":4.856744},{"lat":46.756431,"lon":4.858557},{"lat":46.756814,"lon":4.860471},{"lat":46.75771,"lon":4.86208},{"lat":46.760518,"lon":4.865793},{"lat":46.761268,"lon":4.867595},{"lat":46.761738,"lon":4.869118},{"lat":46.762576,"lon":4.870277},{"lat":46.763664,"lon":4.87062},{"lat":46.769352,"lon":4.870706},{"lat":46.770528,"lon":4.871264},{"lat":46.771777,"lon":4.872423},{"lat":46.774305,"lon":4.875148},{"lat":46.776053,"lon":4.876757},{"lat":46.777435,"lon":4.877465}]}],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"visitedicon":"","wmsoverlay":false,"zoom":8,"layers":[],"controls":["pan","zoom","streetview","type","scale"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"cluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","fullscreen":false,"scrollwheelzoom":false,"locations":[{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/wiki/Route_nationale_fran%C3%A7aise_79\" title=\"Route nationale fran\u00e7aise 79\"\u003E\u003Cspan style=\"padding-top:3px; padding-bottom:2px; padding-left:2px; padding-right:2px; height:40; width:62; background-color:#FF0000; text-align:center; color:#FFFFFF;font-size:80%;font-weight:bolder;\"\u003E\u003Cb\u003EN79\u003Csup\u003E\u003C/sup\u003E\u003Csup\u003E\u003C/sup\u003E\u003C/b\u003E\u003C/span\u003E\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"N79\n","link":"","lat":46.392258,"lon":4.663697,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/wiki/Route_nationale_fran%C3%A7aise_79\" title=\"Route nationale fran\u00e7aise 79\"\u003E\u003Cspan style=\"padding-top:3px; padding-bottom:2px; padding-left:2px; padding-right:2px; height:40; width:62; background-color:#FF0000; text-align:center; color:#FFFFFF;font-size:80%;font-weight:bolder;\"\u003E\u003Cb\u003EN79\u003Csup\u003E\u003C/sup\u003E\u003Csup\u003E\u003C/sup\u003E\u003C/b\u003E\u003C/span\u003E\u003C/a\u003E (Premi\u00e8re moiti\u00e9 du XIXe si\u00e8cle)\n\u003C/p\u003E\u003C/div\u003E","title":"N79 (Premi\u00e8re moiti\u00e9 du XIXe si\u00e8cle)\n","link":"","lat":46.394423,"lon":4.655214,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ECh\u00e2tillon-sur-Seine\n\u003C/p\u003E\u003C/div\u003E","title":"Ch\u00e2tillon-sur-Seine\n","link":"","lat":47.856891,"lon":4.571468,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EAutun\n\u003C/p\u003E\u003C/div\u003E","title":"Autun\n","link":"","lat":46.960031,"lon":4.304945,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EMontchanin\n\u003C/p\u003E\u003C/div\u003E","title":"Montchanin\n","link":"","lat":46.74883,"lon":4.492722,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ECh\u00e2lon-sur-Sa\u00f4ne\n\u003C/p\u003E\u003C/div\u003E","title":"Ch\u00e2lon-sur-Sa\u00f4ne\n","link":"","lat":46.758563,"lon":4.842829,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Marcel (de 1978 \u00e0 1994)\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Marcel (de 1978 \u00e0 1994)\n","link":"","lat":46.762887,"lon":4.892978,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-Marcel (de 1994 \u00e0 2006)\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-Marcel (de 1994 \u00e0 2006)\n","link":"","lat":46.777435,"lon":4.877465,"icon":""}]}

Légende de la carte ou du tableau
En rouge	Tracé actuel.
En orange	Tracé déclassé en 2006.
En jaune	Tracé déclassé en 1973.
En jaune clair	Tracé déclassé localement après déviation.
En vert	Tracé repris en 1978 sur les RN73 et 78 à Autun et sur le CD18 (71) à Montchanin, déclassé en 2006.
En bleu ciel	Sections du tracé originel déclassées au XIXe siècle après rectification.
En violet	Troncs commun avec d'autres routes.
En gris clair	Ancien projet.
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.

Montchanin - Saint-Rémy (actuel)

• Saône-et-Loire (71) - N80
  • N70 Rond-Point Jeanne Rose D680 D974
  • La Dheune / Canal du Centre
  • Les Baudots D977
  •  Col des Baudots (421 m)
  • La Guye
  • Moroges
  • Saint-Désert D981
  • Cortelin L'Orbise D977
  •  A6   26 
  • Saint-Rémy La Saône Nombreux Monuments D906

Contournement Sud-Est de Chalon-sur-Saône (jusqu'en 2006)

• Saône-et-Loire (71) - D673
  • Saint-Rémy La Saône Nombreux Monuments D5^A D906
  • Z.I. Sud D978^B
  • Saint-Marcel D19 D673

D'Autun à Montchanin (jusqu'en 2006)

• Saône-et-Loire (71) - D680
  • Autun Nombreux Monuments
  •  Forêt de Planoise
  • D978
  • Les Baumes Etang du Martinet
  • Les Grolliers
  • Étang de la Noue
  • Marmagne Le Mesvrin D61
  • D28
  • Montcenis D1 D18 D984
  • Torcy Etang de Torcy D18 D28 D601
  • Montchanin
  • Rond-Point de Montchanin N70 D974

Tracé originel (avant 1973)

• Côte-d'Or (21) - D980
  • Châtillon-sur-Seine Église Saint-Vorles XI-XII^e, Musée du Pays Châtillonnais, Trésor de Vix, Château, etc. Source de la Douix D16 D965 D971 D928
  • Ferme Saint-Georges
  • Ampilly-le-Sec
  • Coulmier-le-Sec D21 D29
  • Puits
  • Étais
  •  Forêt de Fontenay
  • Montbard La Brenne / Canal de Bourgogne Musée-Site Buffon D5 D905
  • La Dandarge
  • Fatin
  • Pont de Chevigny L'Armançon D1
  • Semur-en-Auxois Ville Fortifiée, Nombreux Monuments D954 D970
  • Courcelles-lès-Semur D15
  • D103^Z
  •  A6   23 
  • D103^F
  • Précy-sous-Thil Château et Butte de Thil D36 D70 D108
  • D108
  • Montlay-en-Auxois
  • Sainte-Isabelle
  •  Forêt de Saulieu
  • Saulieu Basilique Saint-Andoche, Cimetière Saint-Saturnin, Musée Pompon D26 D906 D977^B
  • D17
• Nièvre (58) - D980
  • Pierre Écrite Stèle Gallo-Romaine
• Côte-d'Or (21) - D980
  • Blanot
• Saône-et-Loire (71) - D980
  • D149
  • Buis Château
  • Chissey-en-Morvan Le Ternin
  • Mortaise
  • Lucenay-l'Évêque
  • Usseau
  • Les Planches D26
  • Colonge
  • Reclesne  
  • Saint-Forgeot D116
  • Les Longs Bois
  • Les Télots
  • L'Arroux Porte d'Arroux
  • Autun Nombreux Monuments D107 D681 D681 D973 D978
• Saône-et-Loire (71) - D680
  • Les Renaudiots D978
  •  Forêt de Planoise
  • Les Baumes Étang du Martinet
  • Les Grolliers
  • Étang de la Noue
  • Marmagne Le Mesvrin D61
  • D28
  • Montcenis D1 D18 D984
• Saône-et-Loire (71) - D980
  • La Gaieté D102
  • La Sorme
  • Blanzy  N70 D974
  • La Bourbince / Canal du Centre
  • Montceau-les-Mines Beauregard D57
  • Les Perrons (Gourdon, Mont-Saint-Vincent)
  • Les Brosses-Tillots D33 D60
  • La Croisée de Cray D983
  • Corcelle (Sigy-le-Châtel)
  • Sailly
  • Salornay-sur-Guye La Guye D14
  • D7
  • Cluny La Grosne Abbaye, Centre Ancien D15 D981
  • D22
  •  N79

Voie express

Historique

Grandes dates

• 01 04 1992 : Section Droux - Rond-point Jeanne-Rose (Grande Liaison d'Aménagement du Territoire)
• 07 12 1993 : Section Droux - Rond-point Jeanne-Rose (APSI 1^re phase)
• 07 10 1994 : Section Droux - Rond-point Jeanne-Rose (APSI 2^de phase)

Déclarations d'utilité publique

• 31 05 1996 : Section Droux - Cortelin (seconde chaussée) Lien
• 31 05 1996 : Section Givry - Col des Baudots (seconde chaussée) Lien
• 31 05 1996 : Section Saint-Laurent-d'Andenay - Rond-point Jeanne-Rose (seconde chaussée) Lien

Classements

• 31 05 1996 : Section Droux - Rond-point Jeanne-Rose, (mise aux normes voie express) Lien

Mises en service

• 20 12 1963 : Section Cortelin - Sainte-Hélène (première chaussée)
• xx 04 1965 : Section Sainte-Hélène - D977 (première chaussée)
• xx xx 1966 : Section D977 - Rond-point Jeanne-Rose (première chaussée)
• xx xx 1970 : Section Droux - Cortelin (première chaussée)
• xx xx 1993 : Section Col des Baudots - Saint-Laurent-d'Andenay (seconde chaussée)
• xx xx 1993 : Traversée de la Forêt de Givry (section Est, seconde chaussée)
• xx 10 1999 : Traversée de la Forêt de Givry (section Ouest, seconde chaussée)
• xx 01 2002 : Environs du Col des Baudots (seconde chaussée)
• 19 07 2007 : Section Givry - Saint-Désert (seconde chaussée)
• 30 10 2008 : Section Moroges - Col des Baudots (seconde chaussée)
• 28 06 2010 : Section Saint-Désert - Moroges (seconde chaussée)
• 30 12 2014 : Section Taisey - Cortelin (seconde chaussée) et carrefour giratoire avec la D977
• 08 12 2015 : Section Droux - Taisey (seconde chaussée) et carrefour giratoire de l'A6
• 19 09 2017 : Section Saint-Laurent-d'Andenay - Rond-point Jeanne-Rose (seconde chaussée)

Itinéraire

• Saône-et-Loire (71) - N80
• De la D906 à la D977 ; section gratuite non-concédée, gérée par la DIR Centre-Est, aménagée en boulevard urbain.
  •   (Lux) D906 : Villes desservies : Saint-Rémy, Chalon-sur-Saône | Lux, Tournus, Mâcon, Bourg-en-Bresse D673 : Villes desservies : Saint-Marcel, Lons-le-Saunier, Dole
  •    A6 E15 E21   26 
  •   (Chalon-Sud) D977 : Villes desservies : Cortelin, Saint-Rémy, Chalon-sur-Saône

• De la D977 à la RN70 ; section gratuite non-concédée ayant le statut de voie express, gérée par la DIR Centre-Est.
  •  N80 E607

    

    La RN80 à l'ouest de Chalon-sur-Saône. © Google Maps

  •   2  (Givry) : Ville desservie : Givry (demi-échangeur)
  •   3  (Saint-Désert) : Villes desservies : Givry, Buxy, Saint-Désert
  •   4  (Moroges) : Villes desservies : Moroges, Jambles
  •   5  (Sainte-Hélène) : Villes desservies : Les Maisons Rouges, Sassangy, Sainte-Hélène +  Aire de repos : Sainte-Hélène (dans chaque sens)
  •   6  (Villeneuve-en-Montagne) : Villes desservies : Les Baudots, La Grange, Marcilly-lès-Buxy, Villeneuve-en-Montagne
  •  N80 E607
  •   (Montchanin) : Villes desservies :   N70 E607 Paray-le-Monial,  Montpellier,  Valence D680 Le Creusot, Montchanin, Gare TGV du Creusot, Autun,  Paris,  Dijon D974 Chagny, Beaune

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Liens Internes

• Routes nationales françaises

Articles Connexes

• RCEA
• RN70

Sites Sara

• La RN80 sur Saratlas
• La RN80 sur France Autoroutes
• Répertoire des panneaux directionnels de la RN80
• Fils du Forum Sara sur la RN80