Route nationale française 149

Route nationale 149
Panneau Michelin de l'ex-RN149 aux Sables-d'Olonne© Brice Daviaud
Localisation
Pays	France
Régions	Pays de la Loire, Nouvelle-Aquitaine
Exploitation
Gestionnaire	DIR Centre-Ouest
Caractéristiques de 1824 à 1973
Itinéraire	Les Sables-d'Olonne - Fontenay-le-Comte
Longueur	74 km
Caractéristiques de 1978 à 2006
Itinéraire	Migné-Auxances (Poitiers) - Mortagne-sur-Sèvre (Cholet) - Nantes
Longueur	168 km
Caractéristiques de 2006 à 2010
Itinéraire	Migné-Auxances (Poitiers) - Mortagne-sur-Sèvre (Cholet)
Longueur	112 km
Caractéristiques de 2010 à 2015
Itinéraire	Migné-Auxances (Poitiers) - Bretignolles
Longueur	85 km
Caractéristiques actuelles
Itinéraire	Migné-Auxances (Poitiers) - Bressuire
Longueur	77 km

Présentation

• La route nationale 149, ou RN149, est une route nationale française qui relie actuellement Migné-Auxances (Poitiers) à Bressuire (79).
• Maillon occidental de la Route Centre-Europe-Atlantique, elle est appelée à devenir une voie express sur l'intégralité de son parcours.
• L'achèvement des travaux de la RN249 entre Bressuire et Nantes a entraîné le déclassement de la RN149 qui lui est parallèle.

Historique

Généralités

• À sa création, en 1824, elle est décrite comme étant la route de Fontenay aux Sables-d'Olonne. Elle s'embranche sur la route précédente, de Limoges à Nantes, à la sortie de la ville de Fontenay. Elle succède alors à la Route impériale 169.
• Cet itinéraire historique a été déclassé consécutivement à la réforme de 1972. Il a fait par la suite l'objet de lourds travaux, avec la construction de déviations à Luçon, Talmont-Saint-Hilaire et aux Sables-d'Olonne.
• En 1978, elle devient route de Poitiers, N. 147, à Nantes, N. 137 N. 23.
• La RN149 actuelle est l'héritière directe de l'ancienne RN148^Bis qui reliait Nantes à Poitiers avant 1973.
• La mise en voie express progressive de l'axe entre Bressuire et Nantes, via la nouvelle RN249, a condamné l'itinéraire parallèle de la RN149, qui a été déclassée par étapes selon le calendrier suivant :
  • Section Bressuire - Bretignolles : 17 septembre 2015.
  • Section Bretignolles - Mortagne-sur-Sèvre : 1^er décembre 2010 dans le Maine-et-Loire (49) et le 28 avril 2016 en Vendée (85).
  • Section Mortagne-sur-Sèvre - Nantes : 1^er janvier 2006.
• Depuis le 1^er janvier 2017, la section située sur le territoire de Nantes Métropole a été reclassée en tant que route métropolitaine en conservant son ancienne dénomination, soit M149.

Construction

• Section Avrillé - Talmont-Saint-Hilaire : 1837 (réparations).
• Traversée de Talmont-Saint-Hilaire : 1864.

Aménagements

• Rectification à l'Est de Parthenay : 1955.
• Déviation de Parthenay : 1976 à l'Est, 1970 (première chaussée) et 1978 (seconde chaussée) au Nord-Est, 1984 au Nord.
• Rectification de La Charlotière : 1992.
• Déviation Nord-Est de Clisson : 30 novembre 2004.

Tracés historiques

Poitiers - Nantes (depuis 1978)

Chargement de la carte...

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Légende de la carte ou du tableau
En rouge	Tracé actuel.
En orange	Sections déclassées localement après ouverture des déviations.
En jaune	Tracé doublé par la RN249, déclassé par étapes entre 2006 et 2015.
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.

Migné-Auxances - Bressuire (actuel)

Créneaux de dépassement à l'ouest de Vouillé, en direction de Poitiers. © Atlasroutier

• Vienne (86) - N149 E62
  • N147 D347 Migné-Auxances L'Auxances
    •  Vitesse : 90 km/h  (sens Parthenay > Poitiers)
  •  Vouillé Châteaux Monument aux Morts de 1870 D7 D62
  • 700 m (sens Poitiers > Parthenay) ; 900 m (sens Parthenay > Poitiers)
  • Ayron D42
    •  Vitesse : 90 km/h  (sens Parthenay > Poitiers)
  • Chalandray D24
• Deux-Sèvres (79) - N149 E62
  • La Ferrière-en-Parthenay
    •  Vitesse : 90 km/h  (sens Parthenay > Poitiers)
  • Le Thouet
  • Parthenay Le Palais Château, Enceinte Médiévale D19 D743 D743^Bis D938 D949^Bis
  • Le Cébron
  • Jussay
  • Amailloux La Raconnière D46
  • Étang de la Sablière
    •  Vitesse : 90 km/h  (sens Poitiers > Bressuire)
  • Chiché Le Thouaret
  • Saint-Sauveur-de-Givre-en-Mai D725
  • Bressuire Le Dolo Églises, Château, Centre Ancien  N249 E62   16  D38 D164 D748 D938^Ter D960^Bis

Bressuire - Bretignolles (1978 à 2015)

• Deux-Sèvres (79) - D149^Bis
  • Bretignolles La Faye
  • Le Peux
  • D33

Bretignolles - Mortagne-sur-Sèvre (1978 à 2010)

• Deux-Sèvres (79) - D149^Bis
  •  Aérodrome Mauléon-Bocage
  • Rorthais
  •  Mauléon (Anc^t Châtillon-sur-Sèvre) L'Ouin Abbaye et Église de la Sainte-Trinité D41 D744 D759
  • Le Temple
  • La Chatte (Anc^t La Roche-Pied-Roti) D11
    •  Vitesse : 90 km/h  (sens Nantes > Poitiers)
• Vendée (85) - D149
  • Saint-Laurent-sur-Sèvre La Trique
  • Mortagne-sur-Sèvre Église XII^e, Château D160

Mortagne-sur-Sèvre - Nantes (1978 à 2006)

• Vendée (85) - D149
  • Mortagne-sur-Sèvre Église XII^e, Château D160
  • La Roche-sur-Sèvre
• Maine-et-Loire (49) - D949
  • Le Longeron D91
  • La Colonne D753
  • Torfou Pierre Tournisse
• Loire-Atlantique (44) - D149
  • La Peltière (Anc^t La Basse Pelletière) D118
  • La Méchinaudière
  • Gétigné D762
  • Clisson Châteaux, Église, Temple D54 D59 D117 D763 D917
  • La Proutière (Anc^t La Prautière)
  • Le Pallet Château D116
  • La Croix-Montceau
  • Tournebride  N249 E62 D756
• Loire-Atlantique (44) / Nantes Métropole - M149
  • Vertou M115
  • La Loire
  • Saint-Sébastien-sur-Loire  N844 M115
  • Nantes Nombreux Monuments M59 M723 M751

Fontenay-le-Comte - Les Sables-d'Olonne (avant 1973)

Chargement de la carte...

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Légende de la carte ou du tableau
En rouge	Tracé déclassé en 1973.
En jaune	Tracé aménagé par le département de la Vendée (85) après le déclassement de l'axe.
En bleu ciel	Tracé originel à Talmont Saint-Hilaire rectifié 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.

Panneau Michelin de l'ex-RN149 à Talmont-Saint-Hilaire © Brice Daviaud

• Vendée (85) - D949
  • D23 D148 D745 D938^Ter D948^Bis Fontenay-le-Comte La Lune La Longèves
  •  A83   7.1  D206
  • D30
  •  Parc naturel régional du Marais poitevin
  • Mouzeuil-Saint-Martin
  • Nalliers Église Romane
  • Chevrette
  • Les Quatre Chemins D137 E3
  • Luçon Cathédrale, Châteaux D7 D50 D200 D201 D746
  • Beugné-l'Abbé
  • Port-de-la-Claye Le Lay D12 D46
  • Saint-Cyr-en-Talmondais Château de la Court-d'Aron
  • Pont-Rouge D21 D747
  • Le Plessis Menhir
  • Avrillé Mégalithes D19 D105
  • Château de la Guignardière
  • D105
  • La Clémantinière
  • Le Poteau
  • Talmont-Saint-Hilaire La Payré Château, Église D4 D21
  • Musée Automobile de Vendée
  • Les Arpents
  • La Mouzinière
• Vendée (85) - D2949
  • Les Sables-d'Olonne Nombreux Monuments D32 D36 D160 D760

Voies express

Grandes dates

• 01 04 1992 : Décret de classement en Grande Liaison d'Aménagement du Territoire (GLAT) au Schéma Directeur Routier National
• 04 11 1992 : Approbation de l'Avant-Projet Sommaire d’Itinéraire (APSI) Nantes - Poitiers, route à 2x2 voies et carrefours dénivelés
• 16 04 2002 : Commande de l'Avant-Projet Sommaire (APS 2^e phase) Poitiers - La Ferrière-en-Parthenay, sur la base d'une route à 2x2 voies et carrefours dénivelés
• 18 04 2002 : Confirmation dans le cadre du Schéma de Services Collectifs des Transports
• 18 12 2003 : Confirmation dans le cadre du Comité Interministériel d'Aménagement et de Développement du Territoire
• 22 12 2006 : Fuseau des 1000 mètres
• 07 04 2008 : Périmètre d'études fixé par arrêté préfectoral

Vouillé - Frozes

Historique

• xx xx 2000 : Section Vouillé - Frozes (créneau de dépassement)

Itinéraire

• Vienne (86) - N149 E62
  •  Vouillé
  •  700 m
  •  D92 Frozes

La Ferrière-en-Parthenay - Parthenay

Historique

• 10 07 2002 : Section La Ferrière-en-Parthenay - Parthenay (créneau de dépassement)

Itinéraire

• Deux-Sèvres (79) - N149 E62
  •   D22 La Ferrière-en-Parthenay
  •  3500 m
  •   D165 La Peyratte

Déviation de Bressuire

Historique

• xx xx 1997 : Déviation de Bressuire (sorties 18 - fin provisoire)
• xx xx 2000 : Déviation de Bressuire (sorties 18 à 16)
• 16 11 2017 : Demi-diffuseur de Beaulieu-sous-Bressuire (sortie 16.1)

Itinéraire

Sortie dirigeant sur la D938 ter. © Atlasroutier

• Deux-Sèvres (79) - N149 E62
  •   D725 Bressuire, Airvault
  •  N149 E62
  •   18  (Bressuire-Centre) D938^Ter : Villes desservies : Bressuire-Centre, Bellevue, Thouars
  •   17  (Bellevue) D748 : Villes desservies : Bressuire, Argenton-Château (demi-échangeur)
  •   16.1  (Beaulieu-sous-Bressuire) : Villes desservies : Bressuire, Beaulieu-sous-Bressuire (demi-échangeur)
  •   16  (Bressuire-Ouest) N149 : Villes desservies : Cerizay, Bressuire-Ouest, les Sicaudières, la Roche-sur-Yon
  •  N149 E62
  •   D960^Bis Bressuire, Cerizay, Pouzauges

Château-d’Olonne - Luçon

Historique

• xx 09 1982 : Déviation de Port-de-la-Claye (première chaussée)
• 28 06 1993 : Rocade des Olonnes (RN160 - Port des Sables-d'Olonne)
• 03 07 1995 : Échangeur de Pont-Rouge
• 05 12 2006 : Contournement large du Pays des Olonnes (première section Nord)
• 26 07 2004 : Déviation Ouest de Luçon (première chaussée)
• 10 12 2007 : Déviation Est de Luçon (première chaussée, carrefours à niveau, reprend une section de l'ancienne rocade ouverte en 1980)
• 25 06 2009 : Contournement large du Pays des Olonnes (seconde section Est)
• 26 05 2012 : Déviation de Talmont-Saint-Hilaire (première chaussée, carrefours à niveau)

Itinéraire

• Déviation Nord-Est de Château-d'Olonne : section gratuite non-concédée (2x2 voies sur 7 km), gérée par le département de la Vendée (85).

• Vendée (85) - D949
  •  D160
    •   (Olonne-sur-Mer-Nord) D160 : Villes desservies : Niort par RD, La Rochelle
  •  D949
    •   (Olonne-sur-Mer-Est) D36 : Villes desservies : Château d'Olonne-Nord, Grosbreuil
    •   C116  : Ville desservie : Château d'Olonne-Centre
    •   (Olonne-sur-Mer-Est) D2249 : Villes desservies : Les Sables d'Olonne, Château d'Olonne
  •  D949

• Entre Château d'Olonne et Talmont-Sainte-Hilaire : section non aménagée, aménagement en projet.

• Déviation Sud de Talmont-Sainte-Hilaire : section gratuite non-concédée (2x1 voies sur 5 km), gérée par le département de la Vendée (85).

• Vendée (85) - D949
  • D160
    •   (Talmont-Saint-Hilaire-Ouest) D2949 : Ville desservie : Talmont-Saint-Hilaire-Centre
  •    D949
    •   VC  : Villes desservies : Talmont-Saint-Hilaire-Centre, Complexe des Ribandaux (demi-échangeur)
    •   D108  : Villes desservies : La Guittière, Parcs Ostréicoles (demi-échangeur)
    •   (Talmont-Saint-Hilaire-Sud-Est) D21 : Villes desservies : La Tranche-sur-Mer, Jard-sur-Mer, Talmont-Saint-Hilaire
    •   (Talmont-Saint-Hilaire-Est) D2949 : Ville desservie : Talmont-Saint-Hilaire-Centre

• Entre Talmont-Sainte-Hilaire et Luçon : section non aménagée, sauf l'échangeur du Pont-Rouge avec la D747.

• Déviation Nord de Luçon : section gratuite non-concédée (2x1 voies sur 7,5 km), gérée par le département de la Vendée (85).

• Vendée (85) - D949
  •    D949
    •   D44  : Villes desservies : Les Manils-Reigniers, Chasnais, Zones Industrielles
    • D746  D746 : Villes desservies : Luçon, Z.I. de Luçon, Vers  A87, La Roche-sur-Yon, Saint-Nazaire
    •   D14  : Villes desservies : Luçon, Saine-Gemme-La-Plaine, Foret de Sainte-Gemme
  •   D949
    • Desserte locale
    •   D201 : Villes desservies : L'aiguillon-sur-Mer, La-Faute-sur-Mer

Diaporama

Le tracé de la RN149 entre Poitiers et Bressuire

Les photos sont d'Atlasroutier et sont sous copyright

La N149 après le rond-point avec la D30.

Entrée dans Vouillé.

Créneaux de dépassement entre Vouillé et Ayron.

La N149 après Ayron.

Entrée dans Chalandray.

Entrée dans la Ferrière-en-Parthenay.

Début de la voie express entre la Ferrière-en-Parthenay et Parthenay.

Fin de la voie express.

Entrée dans Parthenay.

Traversée de Parthenay.

Passage à niveau au niveau de Châtillon-sur-Thouet.

La N149 après Châtillon-sur-Thouet.

Radar peu avant Chiché.

Sortie de Chiché.

Entrée dans Saint-Sauveur-Givre-en-Mai.

Sortie dirigeant vers Thouars.

La N149 au nord de Bressuire.

La N149 2 km avant la sortie 16.

Rétrécissement provisoire de la N149, peu avant la sortie 16.

Sortie 16, qui marquera le début de la futur N249.

Entrée dans La Faye.

Documents

• Fuseau retenu en 2006 pour la RN149 entre Bressuire et l'Est de Parthenay

Sites Sara

• La RN149 sur Saratlas
• Fil du Forum Sara sur la RN149
• Fil du Forum Sara sur les projets routiers en Vendée