Route nationale française 449

Route nationale 449
Borne Michelin de la RN449© Francis Cahuzac
Localisation
Pays	France
Régions	Centre-Val de Loire, Île-de-France
Exploitation
Gestionnaire	DIR Île-de-France
Caractéristiques de 1933 à 1973
Itinéraire	Arpajon - Malesherbes
Longueur	42,2 km
Caractéristiques actuelles
Itinéraire	Ris-Orangis - Évry
Longueur	1 km

Présentation

• La route nationale 449, ou RN449, est une route nationale française qui constitue actuellement une bretelle de l'A6 à Ris-Orangis.
• Cette route fait partie de l'ensemble des voiries primaires de la ville nouvelle d'Évry, au même titre que la D91 qui la prolonge en direction de l'ancienne RN7.

Historique

Généralités

• A sa création, en 1933, elle est définie comme la route d'Arpajon à Malesherbes. Elle est formée à partir des chemins de grande communication :
  • Dans la Seine-et-Oise : d'Arpajon à Boigneville, Gc96 (dans son intégralité) ; à Boigneville, Gc63 (en partie).
  • Dans le Loiret : Gc95 (anciennement D15).
• En 1956, elle absorbe une partie de l'ancien tracé de la N20 à Arpajon, à la suite de la mise en service de la déviation de la ville.
• Elle est déclassée en 1973.
• Dans la nomenclature de 1978, le numéro désigne la route d'Évry N446 à Évry A6. Elle aurait initialement dû être numérotée N448, mais ce numéro était toujours pris par une autre route, non déclassée à cette époque. Elle succède ainsi à l'amorce de la voie rapide G5.
• Cet axe a, en réalité, été mis en service en 1973 pour assurer un lien entre l'A6 et la N446. Il dessert en réalité la ville nouvelle d'Évry. Bien que son numéro ait été réservé dès 1978, il n'est classé officiellement dans les routes nationales que le 28 janvier 1982.
• En 1984, la section entre la N446 et l'A6 est intégrée à la Rocade Interdépartementale des Villes Nouvelles (appellation originelle de l'actuelle Francilienne), suite à l'abandon du tracé prévu pour la voie F6 entre Brétigny-sur-Orge et Corbeil-Essonnes. Cette section est renumérotée RN104 en 1993.
• En 1994, l'extrémité Est de la RN449 est réaménagée en vue d'un prolongement vers la N7 qui ne sera jamais classé dans la voirie nationale.

Aménagements

• Suppression du passage à niveau de Bouray-sur-Juine : 1990.
• Déviation Sud-Ouest de Malesherbes : 1990 au Sud et 1992 à l'Ouest.

Autour de la route

• Parc Naturel Régional du Gâtinais.

Tracés historiques

Tracé actuel

Chargement de la carte...

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L'accès à la RN449 depuis l'ex-RN7 à Ris-Orangis (91).
© GPS Nico

Légende de la carte ou du tableau
En rouge	Tracé actuel.
En vert	Tracé cédé à la RN104 (Francilienne) en 1993.
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.

• Essonne (91) - N449
  •  A6   7  -  N104   35  -  N441 Ris-Orangis
  •     Orangis-Bois de l'Épine
  •     Évry D91

D'Arpajon à Malesherbes (avant 1973)

Chargement de la carte...

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Légende de la carte ou du tableau
En rouge	Tracé de 1933 à 1973.
En vert	Tracé repris sur la N20 à Arpajon le 13 septembre 1956.
En violet	Tronc commun avec la N191 à la Ferté-Alais.
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.

L'essai d'actualisation de ce panneau a échoué... © Francis Cahuzac

• Essonne (91) - D449
  • Arpajon Halle XV^e
    •   N20 D97 La Montagne
    • Les Grouaisons
    • Porte de Paris  
    • Arpajon-Centre L'Orge D152
    • Porte d'Étampes
  • La Norville
    • Les Champs Joly
    • Zone Artisanale de la Mare Jacob
    • La Justice D19
  • Guibeville Le Bois Raphaël   D26
  • Cheptainville
    • L'Aulnaie  
    • Carrefour Maillet
    • Croix de Bouray
  • Lardy
    • Le Pâté  
    • Parc du Mesnil Voisin  
    • Moulin de Bouray La Juine
  •  Parc naturel régional du Gâtinais français
  • Bouray-sur-Juine
    • Bouray-Village Musée "A la Rencontre des Vieux Métiers"
    • Le Pavillon du Garde  
  • Itteville
    • La Touffe
    • Le Bardivau
    • Les Murs D31
    • Moulin du Gué
  • Cerny Le Pont de Villiers L'Essonne
  •  Ancien tronc commun avec la N191.
  • La Ferté-Alais Église XII^e
    • La Ferté-Alais-Centre D83 D105 D191
    • La Grande Prairie Le Ru
  • D145
  • D'Huison-Longueville
    • D'Huison
    • Grand Marais
  • Vayres-sur-Essonne
  • Courdimanche-sur-Essonne
    •   D205
    • Le Monceau
  • Maisse
    • L'Ardenet
    • Courty
    • L'Ormoise
    • Maisse-Centre D837
    • Tramerolles
  • Gironville-sur-Essonne
    • Gironville-Village
    • Le Petit Gironville
  • Prunay-sur-Essonne
    • Prunay-Village
    • Les Rabiers
    • Courcelles
  • Boigneville
    •    
    • La Croix de Fer D63
• Loiret (45) - D949
  • Le Malesherbois
    • Maison des Champs
    • La Justice
    • Les Citys D24
    • Malesherbes Château Rochers D948 D2152 (ex-N51)