Route nationale française 776

Route nationale 776
Plaque Michelin à Beauvoir© Brice Daviaud
Localisation
Pays	France
Régions	Normandie, Bretagne
Caractéristiques de 1933 à 1973
Itinéraire	Le-Mont-Saint-Michel - Elven
Longueur	124 km

Présentation

• La route nationale 776, ou RN776, est une ancienne route nationale française qui reliait le Mont-Saint-Michel à Elven.
• Elle faisait plusieurs troncs communs avec d'autres routes nationales :
  • RN177 entre Rennes et Guichen-Pont-Réan (15 km)
  • RN772 entre Maure-de-Bretagne-Malaunay et Guer (7 km)
  • RN164 et RN774 à Malestroit (3 km)

Historique

Généralités

• À sa création en 1933, elle est décrite comme la route du Mont-Saint-Michel à Vannes par Rennes et Malestroit.
• Le trajet d'Elven à Vannes se faisait via la N166.
• Dans la Manche, elle est issue du chemin de grande communication n° 19, ou Gc19 (50). En Ille-et-Vilaine, elle est issue du chemin de grande communication n° 13, ou Gc13 (35), pour la section comprise entre la limite de la Manche et Antrain, du chemin de grande communication n° 96 bis, ou Gc96^Bis (35), pour la section comprise entre Antrain et Romazy, du chemin de grande communication n° 96, ou Gc96 (35), (ancienne route départementale n° 1) pour la section comprise entre Romazy et Rennes, et du chemin de grande communication n° 45, ou Gc45 (35), pour la section comprise entre Pont-Réan et la RN772 au Bas-Haras, commune de Maure-de-Bretagne. Dans le Morbihan, elle est issue du chemin de grande communication n° 30, ou Gc30 (56).
• En 1973, le tronçon de Pontorson à Rennes a été intégré à la nouvelle RN175, avant d'être déclassé en D175 dans l'Ille-et-Vilaine (35) en 1992 et en D975 dans la Manche (50) en 2006. Il fait l'objet d'une mise en voie express dans l'Ille-et-Vilaine (35).
• Toujours en 1973, les autres tronçons ont été déclassés en D976 dans la Manche (50) (renuméroté en D776 après 2006) et en D776 dans l'Ille-et-Vilaine (35) et le Morbihan (56).
• Un tronçon d'environ 4 km a été récupéré par la RN166 en voie express au niveau de la forêt de Molac.
• Depuis le 1^er janvier 2017, la section située sur le territoire de Rennes Métropole a été reclassée en tant que route métropolitaine.

Aménagements

• Digue d'accès au Mont-Saint-Michel : 22 juin 1879 (DUP du 25 juin 1874), remplacée le 22 juillet 2014 par un pont-passerelle.
• Complexe de stationnement du Mont-Saint-Michel : construit du 2 août 2010 au 28 avril 2012, il entraîne la fermeture de l'itinéraire d'accès à l'ancienne digue et la création d'une déviation à proximité des parkings.
• Recalibrage entre Le Mont-Saint-Michel et Pontorson : 1954.
• Rectification et recalibrage entre la D177 et La Taupinais : 1985.
• Carrefour giratoire de La Taupinais : 2008.
• Rectification et recalibrage entre La Taupinais et Les Quatre-Vents : 1989.
• Rectification et recalibrage entre Les Quatre-Vents et Le Val-Amont : 1980.
• Rectification et recalibrage entre Le Val-Amont et La Ragotière (déviation du Pont-de-Lassy) : 26 avril 1989.
• Rectification et recalibrage entre La Ragotière et Les Trois-Routes : 1981.
• Rectification et recalibrage entre Les Bel-Air et La Chapelle-Bouëxic : 1^er octobre 1990.
• Rectification et recalibrage au Pont-ès-Frères : 1983.
• Rectification et recalibrage entre Le Pont-ès-Frères et la Rue des Rochelles à Mernel : 1989.
• Rectification et recalibrage entre la Rue des Rochelles à Mernel et la D65 : 1984.
• Rectification et recalibrage entre la D65 et la D772 : 1988, reconfiguration des carrefours de la D61 au printemps 1995.

Autour de la route

•  Parc naturel régional du Golfe du Morbihan
•  Elven
• Le Mont-Saint-Michel

Tracé historique

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003EGuer - Malestroit\n\u003C/p\u003E\u003C/div\u003E","title":"Guer - Malestroit\n","link":"","strokeColor":"#FCFF07","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":47.904952,"lon":-2.122148},{"lat":47.904932,"lon":-2.122457},{"lat":47.904282,"lon":-2.12566},{"lat":47.90427,"lon":-2.126008},{"lat":47.904457,"lon":-2.127277},{"lat":47.904502,"lon":-2.128999},{"lat":47.904363,"lon":-2.129906},{"lat":47.903944,"lon":-2.131427},{"lat":47.902869,"lon":-2.134645},{"lat":47.902767,"lon":-2.135267},{"lat":47.902804,"lon":-2.13593},{"lat":47.902767,"lon":-2.136509},{"lat":47.902531,"lon":-2.137765},{"lat":47.902528,"lon":-2.138272},{"lat":47.902722,"lon":-2.140908},{"lat":47.902648,"lon":-2.141453},{"lat":47.902418,"lon":-2.141941},{"lat":47.90096,"lon":-2.143673},{"lat":47.900721,"lon":-2.144108},{"lat":47.899704,"lon":-2.146437},{"lat":47.899397,"lon":-2.146952},{"lat":47.894462,"lon":-2.151974},{"lat":47.89407,"lon":-2.152137},{"lat":47.893085,"lon":-2.152108},{"lat":47.892722,"lon":-2.152288},{"lat":47.890997,"lon":-2.153704},{"lat":47.890747,"lon":-2.154107},{"lat":47.890617,"lon":-2.154579},{"lat":47.890398,"lon":-2.158151},{"lat":47.890425,"lon":-2.158859},{"lat":47.890686,"lon":-2.16112},{"lat":47.89067,"lon":-2.161785},{"lat":47.888447,"lon":-2.171843},{"lat":47.888137,"lon":-2.172798},{"lat":47.876918,"lon":-2.199275},{"lat":47.87577,"lon":-2.202088},{"lat":47.87424,"lon":-2.205936},{"lat":47.872823,"lon":-2.209552},{"lat":47.872402,"lon":-2.210185},{"lat":47.872197,"lon":-2.211073},{"lat":47.871689,"lon":-2.212451},{"lat":47.871324,"lon":-2.216013},{"lat":47.871159,"lon":-2.216702},{"lat":47.870893,"lon":-2.217448},{"lat":47.870606,"lon":-2.217979},{"lat":47.866127,"lon":-2.224317},{"lat":47.865731,"lon":-2.225141},{"lat":47.862742,"lon":-2.233408},{"lat":47.861576,"lon":-2.235589},{"lat":47.861054,"lon":-2.236278},{"lat":47.855105,"lon":-2.2436},{"lat":47.854754,"lon":-2.244311},{"lat":47.84941,"lon":-2.263558},{"lat":47.849088,"lon":-2.264999},{"lat":47.848944,"lon":-2.265439},{"lat":47.848591,"lon":-2.266187},{"lat":47.847107,"lon":-2.273006},{"lat":47.846876,"lon":-2.274277},{"lat":47.844167,"lon":-2.291703},{"lat":47.844003,"lon":-2.292508},{"lat":47.843332,"lon":-2.295308},{"lat":47.843188,"lon":-2.296271},{"lat":47.843116,"lon":-2.297805},{"lat":47.842988,"lon":-2.29857},{"lat":47.842803,"lon":-2.298953},{"lat":47.842327,"lon":-2.299651},{"lat":47.841629,"lon":-2.301193},{"lat":47.841404,"lon":-2.301936},{"lat":47.841181,"lon":-2.30313},{"lat":47.840986,"lon":-2.3038},{"lat":47.840046,"lon":-2.305946},{"lat":47.839715,"lon":-2.306445},{"lat":47.838808,"lon":-2.307384},{"lat":47.838305,"lon":-2.308245},{"lat":47.836626,"lon":-2.313621},{"lat":47.836232,"lon":-2.314399},{"lat":47.835777,"lon":-2.315118},{"lat":47.835542,"lon":-2.315794},{"lat":47.8352,"lon":-2.3178},{"lat":47.835226,"lon":-2.318414},{"lat":47.835389,"lon":-2.319369},{"lat":47.835389,"lon":-2.320142},{"lat":47.834788,"lon":-2.32402},{"lat":47.834768,"lon":-2.324967},{"lat":47.834972,"lon":-2.327107},{"lat":47.834941,"lon":-2.327821},{"lat":47.834781,"lon":-2.32855},{"lat":47.833585,"lon":-2.331643},{"lat":47.831968,"lon":-2.335953},{"lat":47.830599,"lon":-2.338855},{"lat":47.830408,"lon":-2.339907},{"lat":47.830273,"lon":-2.340288},{"lat":47.82974,"lon":-2.341143},{"lat":47.829367,"lon":-2.342322},{"lat":47.82907,"lon":-2.342963},{"lat":47.828298,"lon":-2.344304},{"lat":47.827232,"lon":-2.347217},{"lat":47.826144,"lon":-2.350664},{"lat":47.825584,"lon":-2.352177},{"lat":47.824718,"lon":-2.355401},{"lat":47.824333,"lon":-2.357294},{"lat":47.824117,"lon":-2.357957},{"lat":47.823609,"lon":-2.358952},{"lat":47.822308,"lon":-2.360545},{"lat":47.822045,"lon":-2.360789},{"lat":47.820855,"lon":-2.361474},{"lat":47.820291,"lon":-2.361967},{"lat":47.819673,"lon":-2.362751},{"lat":47.818841,"lon":-2.363499},{"lat":47.818461,"lon":-2.364314},{"lat":47.818166,"lon":-2.36477},{"lat":47.817568,"lon":-2.365454},{"lat":47.817009,"lon":-2.366195},{"lat":47.815617,"lon":-2.367305},{"lat":47.815318,"lon":-2.367708},{"lat":47.813535,"lon":-2.371275},{"lat":47.813261,"lon":-2.372337},{"lat":47.813184,"lon":-2.372466},{"lat":47.812575,"lon":-2.372976},{"lat":47.812162,"lon":-2.37337},{"lat":47.811787,"lon":-2.373886},{"lat":47.811651,"lon":-2.374217},{"lat":47.811351,"lon":-2.375956},{"lat":47.811157,"lon":-2.376854},{"lat":47.811022,"lon":-2.377305},{"lat":47.810982,"lon":-2.37775}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ETronc commun avec les N164 et N774 \u00e0 Malestroit\n\u003C/p\u003E\u003C/div\u003E","title":"Tronc commun avec les N164 et N774 \u00e0 Malestroit\n","link":"","strokeColor":"#F412F1","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":47.810982,"lon":-2.37775},{"lat":47.809925,"lon":-2.377928},{"lat":47.809469,"lon":-2.378361},{"lat":47.809162,"lon":-2.378887},{"lat":47.808473,"lon":-2.381374},{"lat":47.80846,"lon":-2.381743},{"lat":47.808626,"lon":-2.382465},{"lat":47.808988,"lon":-2.383197},{"lat":47.808986,"lon":-2.383476},{"lat":47.808783,"lon":-2.384243},{"lat":47.808431,"lon":-2.385126},{"lat":47.808046,"lon":-2.387403},{"lat":47.808584,"lon":-2.396487},{"lat":47.808566,"lon":-2.39697},{"lat":47.808476,"lon":-2.397456},{"lat":47.80818,"lon":-2.39836},{"lat":47.808068,"lon":-2.398977},{"lat":47.808076,"lon":-2.400232},{"lat":47.807998,"lon":-2.400758},{"lat":47.807787,"lon":-2.401165},{"lat":47.807407,"lon":-2.401393},{"lat":47.806451,"lon":-2.401369},{"lat":47.804722,"lon":-2.402084},{"lat":47.804229,"lon":-2.402208},{"lat":47.80256,"lon":-2.402168},{"lat":47.802191,"lon":-2.402319},{"lat":47.801834,"lon":-2.402785},{"lat":47.799765,"lon":-2.406346}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EMalestroit - Elven\n\u003C/p\u003E\u003C/div\u003E","title":"Malestroit - Elven\n","link":"","strokeColor":"#FCFF07","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":47.799765,"lon":-2.406346},{"lat":47.799176,"lon":-2.407389},{"lat":47.797677,"lon":-2.409363},{"lat":47.797396,"lon":-2.410173},{"lat":47.79687,"lon":-2.414516},{"lat":47.796688,"lon":-2.415208},{"lat":47.796185,"lon":-2.416375},{"lat":47.79554,"lon":-2.417845},{"lat":47.795115,"lon":-2.418515},{"lat":47.794399,"lon":-2.419266},{"lat":47.793163,"lon":-2.419923},{"lat":47.791803,"lon":-2.421388},{"lat":47.791156,"lon":-2.421828},{"lat":47.789098,"lon":-2.422652},{"lat":47.786615,"lon":-2.423493},{"lat":47.786346,"lon":-2.423721},{"lat":47.784908,"lon":-2.425719},{"lat":47.784209,"lon":-2.426277},{"lat":47.783839,"lon":-2.426797},{"lat":47.783567,"lon":-2.427103},{"lat":47.782583,"lon":-2.427915},{"lat":47.782338,"lon":-2.428294},{"lat":47.782237,"lon":-2.428725},{"lat":47.78224,"lon":-2.429297},{"lat":47.782356,"lon":-2.430343},{"lat":47.782314,"lon":-2.431},{"lat":47.782172,"lon":-2.431507},{"lat":47.781959,"lon":-2.431783},{"lat":47.781413,"lon":-2.432223},{"lat":47.78124,"lon":-2.432421},{"lat":47.778668,"lon":-2.436994},{"lat":47.777671,"lon":-2.438421},{"lat":47.77759,"lon":-2.438608},{"lat":47.77693,"lon":-2.441234},{"lat":47.776648,"lon":-2.442136},{"lat":47.77641,"lon":-2.442729},{"lat":47.775983,"lon":-2.443432},{"lat":47.775421,"lon":-2.444022},{"lat":47.775143,"lon":-2.444695},{"lat":47.774675,"lon":-2.446489},{"lat":47.77468,"lon":-2.446827},{"lat":47.77742,"lon":-2.451457},{"lat":47.777654,"lon":-2.452082},{"lat":47.777757,"lon":-2.452809},{"lat":47.777261,"lon":-2.458186},{"lat":47.777153,"lon":-2.458782},{"lat":47.775224,"lon":-2.465402},{"lat":47.774139,"lon":-2.46927},{"lat":47.771111,"lon":-2.480197},{"lat":47.770909,"lon":-2.480776},{"lat":47.769708,"lon":-2.483576},{"lat":47.767892,"lon":-2.48895},{"lat":47.767579,"lon":-2.490143},{"lat":47.767344,"lon":-2.491487},{"lat":47.766911,"lon":-2.495972},{"lat":47.766686,"lon":-2.497678},{"lat":47.764129,"lon":-2.510975},{"lat":47.763786,"lon":-2.512063},{"lat":47.762156,"lon":-2.515875},{"lat":47.761998,"lon":-2.516492},{"lat":47.761958,"lon":-2.518375},{"lat":47.761882,"lon":-2.518868},{"lat":47.761731,"lon":-2.519459},{"lat":47.761103,"lon":-2.521673},{"lat":47.760934,"lon":-2.522156},{"lat":47.760175,"lon":-2.523999},{"lat":47.759189,"lon":-2.527009},{"lat":47.759021,"lon":-2.527891},{"lat":47.758928,"lon":-2.529301},{"lat":47.758841,"lon":-2.529878},{"lat":47.758288,"lon":-2.532811},{"lat":47.758064,"lon":-2.533553},{"lat":47.753799,"lon":-2.546213},{"lat":47.75288,"lon":-2.549082},{"lat":47.75281,"lon":-2.549557},{"lat":47.752883,"lon":-2.552665}]}],"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\u003ELe Mont-Saint-Michel\n\u003C/p\u003E\u003C/div\u003E","title":"Le Mont-Saint-Michel\n","link":"","lat":48.634936,"lon":-1.510599,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EElven\n\u003C/p\u003E\u003C/div\u003E","title":"Elven\n","link":"","lat":47.752883,"lon":-2.552665,"icon":""}]}

Légende de la carte ou du tableau
En rouge	Tracé cédé à la RN175 en 1978 (déclassé en 1992 et 2006).
En jaune	Tracé déclassé en 1973.
En violet	Troncs communs avec d'autres RN.
Note	La description ci-dessous concerne le tracé historique de la RN776. Pour la description des sections en voie express au nord de Rennes, consulter l'article RN175.
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.

Vue sur la D776 au Mont-Saint-Michel. © Atlasroutier

• Manche (50) - D776
  • Le Mont-Saint-Michel
    • Le Mont-Saint-Michel Baie du Mont-Saint-Michel
    • La Caserne
  • Beauvoir
    • Le Bas Pays D275
    • La Grève
    • Les Bergeries
    • Les Épinettes
  • Pontorson
    • La Rigaudière (Hippodrome)
    • Moidrey La Grève
    • D75
    • Pontorson Centre Ancien, Église Notre-Dame, Ancien Temple  N175 N176 E401 - D19 D30 D976 D997
• Manche (50) - D975 (ex-N175)
  • Pontorson
    • Boucey Le Tertre Burel
    • Boucey La Fouquetière
    • Boucey La Croix du Fléchet
  • Ruisseau de la Lande Besnel
  • Aucey-la-Plaine Les Fours Chemins D19
  • Le Loison
  • Sacey
    • La Croix Genêt
    • Les Vignes
    • La Vallée La Guerge
    • La Barbais Ruisseau de la Barbais

• Ille-et-Vilaine (35) - D175 (ex-N175)
  • Antrain
    • Le Tronçon Le Tronçon
    • Antrain Château de Bonnefontaine La Loisance D15
    •   D155  Court tronc commun avec la D155.
    • La Carrée D155 D296
  • Tremblay
    • Chanay
    • Tremblay Manoirs Ruisseau de la Croix Verte D796
    • La Couvaillère Ruisseau de la Couvaillère
    • Rinan Ruisseau de Rinan
  • Ruisseau de Mont Bulin
  • Romazy Église Saint-Pierre-et-Saint-Paul
  • Le Couesnon
  • Ruisseau des Vallées
  • Sens-de-Bretagne
    • Mesbée
    • D20
    • La Croix Couverte D794
    • Sautoge D92
    • Les Saudrais
    • La Justice
    • Le Chêne Rond
    • La Croix Chellerais
    • Fretay
    • Bon-Air
    •  Bois de Borne D23
  • Andouillé-Neuville Les Écautils
  •  Bois de Chinsève D90
  • Saint-Aubin-d'Aubigné
    • La Chauvinière D221
    • Le Clairay
    • Gâtine
    • La Pilais
    • Saint-Aubin-d'Aubigné Château, Église XIX^e D106
    • Le Chêne des Noës
    • Les Contans

• Ille-et-Vilaine (35) / Rennes Métropole - D3175 (ex-N175)
  • Chevaigné
    • Chevaigné Église Saint-Pierre (Vitraux XVI^e)
    • La Branchère D528 M528
    • La Galonnais
    • Le Pont Illet L'Illet
  • Betton
    • La Levée M27
    • Bel-Air M29
    • Maison-Blanche  N136   14 
    •  
  • Rennes Nombreux Monuments La Vilaine E03 E50  A84  N12 N24 N136 N137 N157 M82 M125 M173 M177 M463 M812 RM
  •  Tronc commun avec les M177 et D177.

• Ille-et-Vilaine (35) - D776
  • Guichen
    • D577 Pont-Réan
    • La Billiais
    • Peguin  D177
    • La Taupinais D38
  • Lassy
    • La Croix Pigeard
    • La Pilais
    • Les Buttes
  • Ruisseau de la Chapinais
  • Guignen La Ragotière D62
  • Ruisseau de la Mollière
  • La Chapelle-Bouëxic
    • Les Trois Routes
    • La Boutinais
    • Bel-Air D69
    • La Chapelle-Bouëxic Château
    • Plat d'Or
  • Maure-de-Bretagne
    • Le Pont-ès-Frères
    • La Pointe
    • Les Trois-Croix
    • Bellevue D65
    • D61
    • Quercault
    • Malaunay D772
  •  Tronc commun avec la D772.

• Morbihan (56) - D776
  • Guer (Gwern-Porc'hoed)
    • D772 D773 Guer Châteaux
    • L'Oyon
    • Le Vallet
    • Le Valescan
    • Le Passoué
  • Monteneuf
    • Landes de Monteneuf
    • Domaine Mégalithique des Pierres Droites
    • Menhir de Pouillo
    • Monteneuf Croix de Cimetière
  • Le Rahun
  • Réminiac (Ruvenieg)
    • Le Point du Jour
    • La Taupe
    • Réminiac Menhir de Trobert, Église XIII^e
    • Surlande
    • La Vigne
  • Tréal Le Coin de la Forêt
  •  Bois de Coëtion
  • Château Bodel (Caro)
  • Ruisseau des Arches
  • Ruffiac Le Coq Hardi D8
  • Missiriac Le Lieuvy
  • Malestroit Église Saint-Gilles XI^e, Centre Ancien D10 D764 D776
  •  Court tronc commun avec la D776.
  • D774 Tirpen
  • Saint-Marcel Le Haut Brouais
  • La Claie
  • Bohal Église, Château  N166 D5 D112

• Morbihan (56) - N166
  •  Forêt de Molac

• Morbihan (56) - D776
  • Le Cours Les Landreaux Ruisseau des Landriaux D139
  •  Elven Ker Maria  N166 - D766