Route nationale française 164 bis

Route nationale 164Bis
Flèches Michelin toujours en place à Caurel.© Vincent Le Quéré
Localisation
Pays	France
Région	Bretagne
Caractéristiques de 1837 à 1962
Itinéraire	Rennes - Rostrenen
Longueur	134 km
Caractéristiques de 1962 à 1973
Itinéraire	Montauban-de-Bretagne - Rostrenen
Longueur	104 km

Présentation

• La route nationale 164^Bis, ou RN164^Bis, est une ancienne route nationale française qui reliait Montauban-de-Bretagne à Rostrenen.

Historique

Généralités

• A sa création, le 14 mai 1837, elle est définie comme la route de Rennes à Brest.
• En 1962, son tracé est déclassé entre Saint-Méen-le-Grand et Rennes au profit d'un nouvel itinéraire orienté sur Montauban-de-Bretagne et la RN12. Le raccordement direct sur la voie express est inauguré à la fin de l'année 1972.
• L'ancien tracé est alors intégré à la D125. Depuis le 1^er janvier 2017, la section située sur le territoire de Rennes Métropole a été reclassée en tant que route métropolitaine en conservant son ancienne dénomination, soit M125.
• En 1978, le tracé de la RN164^Bis est intégré à la nouvelle RN164.

Construction

• Section Limite Ille-et-Vilaine/Côtes-d'Armor - La Ville-Cocatrie : 1841.
• Section La Ville-Cocatrie - Merdrignac : 1841.
• Section Merdrignac - Le Hambo : 1843.
• Section Le Hambo - Saint-Sauveur-le-Bas : 1843.
• Section Saint-Sauveur-le-Bas - Loudéac : 1845.
• Section Loudéac - Saint-Caradec : 1843.
• Section Saint-Caradec - Mûr-de-Bretagne : 1847.
• Section Mûr-de-Bretagne - Gouarec : 1844.
• Section Gouarec - Rostrenen : 1844.

Aménagements

• Reprofilage entre Rennes et L'Hermitage : 1954.
• Déviation de L'Hermitage : 3 novembre 2003.
• Rectification entre Le Maupas et La Férardais : 1980.
• Rectification du Hambo : 1954.
• Rectification à l'Ouest de Mûr-de-Bretagne : 1972.
• Créneau de dépassement à l'Est de Gouarec : juillet 1973.

Tracé historique

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003ERectification de virages entre V\u00e9zin et L'Hermitage\n\u003C/p\u003E\u003C/div\u003E","title":"Rectification de virages entre V\u00e9zin et L'Hermitage\n","link":"","strokeColor":"#F8B708","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":48.12298,"lon":-1.783186},{"lat":48.12346,"lon":-1.78251},{"lat":48.123546,"lon":-1.782166},{"lat":48.123503,"lon":-1.781818},{"lat":48.123037,"lon":-1.780396},{"lat":48.123002,"lon":-1.779533},{"lat":48.122919,"lon":-1.779157},{"lat":48.122339,"lon":-1.778149},{"lat":48.122142,"lon":-1.77766},{"lat":48.122002,"lon":-1.776807},{"lat":48.121925,"lon":-1.775292},{"lat":48.121859,"lon":-1.774994},{"lat":48.121379,"lon":-1.774275},{"lat":48.121068,"lon":-1.772983}]},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ERectification \u00e0 l'Est de V\u00e9zin\n\u003C/p\u003E\u003C/div\u003E","title":"Rectification \u00e0 l'Est de 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class=\"mw-parser-output\"\u003E\u003Cp\u003EMontauban-de-Bretagne (de 1972 \u00e0 1978)\n\u003C/p\u003E\u003C/div\u003E","title":"Montauban-de-Bretagne (de 1972 \u00e0 1978)\n","link":"","lat":48.209111,"lon":-2.074164,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EMontauban-de-Bretagne (de 1962 \u00e0 1972)\n\u003C/p\u003E\u003C/div\u003E","title":"Montauban-de-Bretagne (de 1962 \u00e0 1972)\n","link":"","lat":48.198713,"lon":-2.047764,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ERostrenen\n\u003C/p\u003E\u003C/div\u003E","title":"Rostrenen\n","link":"","lat":48.236836,"lon":-3.310798,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ESaint-M\u00e9en-le-Grand\n\u003C/p\u003E\u003C/div\u003E","title":"Saint-M\u00e9en-le-Grand\n","link":"","lat":48.185832,"lon":-2.176666,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ERennes\n\u003C/p\u003E\u003C/div\u003E","title":"Rennes\n","link":"","lat":48.116428,"lon":-1.70979,"icon":""}]}

Légende de la carte ou du tableau
En rouge	Tracé cédé à la RN164 en 1978.
En orange	Sections du tracé originel déclassées localement après déviation.
En jaune	Tracé déclassé en 1962.
En jaune clair	Sections ayant fait l'objet de plusieurs rectifications successives.
En bleu ciel	Section du tracé originel rectifiée au XIXe siècle.
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.

Rennes - Saint-Méen-le-Grand (1837 à 1962)

Plaque de cocher située au commencement de la RN164^Bis à Rennes. © G.E.

Flèche de la RN164^Bis à L'Hermitage. © Bzh-99

La D125 au niveau de Boisgervilly. © Google Maps

• Ille-et-Vilaine (35) / Rennes Métropole - M125
  •  A84  N12 N24 N136 N137 N157 M82 M173 M175 M177 M463 M812 RM Rennes Nombreux Monuments
  • Vezin-le-Coquet M68
  • M288
  • La Flume
  • L'Hermitage M35
  • La Pierre-Blanche

• Ille-et-Vilaine (35) - D125
  • Breteil D68
  • Montfort-sur-Meu Le Meu / Le Garun Église, Abbaye, Enceinte et Maisons Médiévales D62 D72
  • Ville-ès-Manoir
  • Le Pin
  • D31
  • La Ville-Lesné
  • D61
  • Boisgervilly D71
  • Le Maupas
  • La Touche
  • La Bouessière
  • Saint-Méen-le-Grand Abbaye  N164 D166 D220 D764

Montauban-de-Bretagne - Saint-Méen-le-Grand (1962 à 1972)

La D61 au niveau de Montauban-de-Bretagne. © Google Maps

• Ille-et-Vilaine (35) - D61
  •  N12 VC Montauban-de-Bretagne Château, Chapelle XV^e
• Ille-et-Vilaine (35) - VC
• Ille-et-Vilaine (35) - N164
  • Le Tertre
  • Saint-Méen-le-Grand Abbaye D125 D166 D220 D764

Montauban-de-Bretagne - Saint-Méen-le-Grand (1972 à 1978)

• Ille-et-Vilaine (35) - N164
  •  N12 Montauban-de-Bretagne Château, Chapelle XV^e
  • Le Tertre
  • Saint-Méen-le-Grand Abbaye D125 D166 D220 D764

Saint-Méen-le-Grand - Rostrenen (1837 à 1978)

La RN164 au niveau de Mur-de-Bretagne. © Google Maps

• Ille-et-Vilaine (35) - N164
  • Saint-Méen-le-Grand Abbaye D125 D166 D220
  • Le Garun
• Côtes-d'Armor (22) - N164
  • La Gautraie
  • La Ville-ès-Chats
  • Le Meu
  • La Congraie
  • Trémorel D764
  • Romenaie
  • Les Trois-Moineaux
  • Le Vieux-Bourg-Saint-Nicolas L'Yvel
  • Merdrignac L'Hivet Manoirs D6 D793
  • La Chaussée
  • Beau-Soleil
  • Plémet D1 D792
  • La Prénessaye D16
  • Bel-Orient Le Larhon
  • Loudéac  D700 D768 D778
  • L'Oust
  • Saint-Caradec La Rigole d'Hilvern
  • Curlan
  • La Poulancre
  • Mûr-de-Bretagne Chapelle Sainte-Suzanne, Allée Couverte de Coët-Correc D767
  • Caurel   D2164
  • Saint-Gelven Gorges du Daoulas
  • Gouarec le Sulon Halles, Pavillon de Rohan, Chapelle et Ossuaire D2164
  • Plouguernével D2164
  • Le Doré
  • Rostrenen Collégiale et Fontaine de Dévotion, Chapelles  N164 D764 D790

Liens externes

• Plan de la route de St-Méen à Merdrignac (1786), conservé à la Bibliothèque Nationale de France