Route départementale française D11 (78)

Route départementale D11 (78)
La borne de la Voie de la Liberté au point de départ de la D11 © Google Street View
Localisation
Pays	France
Département	Yvelines (78)
Caractéristiques actuelles
Itinéraire	D10 - D58 (Saint-Cyr-l'École - Bréval)
Longueur	49,3 km

Présentation

• La route départementale D11 (78), ou RD11 (78), est une route départementale des Yvelines (78) qui relie Saint-Cyr-l'École (sur l'ancienne RN10) à Bréval. Elle est prolongée dans l'Eure (27) par la D58.
• Elle est brièvement interrompue par la D191 au niveau de Villiers-Saint-Frédéric.
• Bien qu'elle ne soit pas située sur le parcours de la Voie de la Liberté, on trouve au point de départ de la D11 une borne caractéristique de cette voie indiquant que l'on se trouve à 540 km de Saint-Martin-de-Varreville, commune de la Manche (50) sur laquelle se situe Utah Beach, une des plages du débarquement de 1944.

Historique

Généralités

• Elle est issue de l'ancien Gc11.
• Jusqu'en 1986 elle était interrompue par la N183 à Septeuil. Suite à la mise en service de la déviation ouest de Septeuil, la traversée du centre a été réattribuée à la D11. La courte portion au nord de Septeuil qui rejoint l'actuelle D983 est répertoriée en tant que D11^B1, bien qu'aucune signalisation ne soit visible su place.
• Le 8 mai 2017, la commune de Saint-Cyr-l'École a inauguré une borne typique de la Voie de la Liberté au croisement entre la D10 et le début de la D11, en hommage au Général Leclerc, ancien résidant de la ville et major de promotion de son école militaire en 1924.

Aménagements

• Déviation de Fontenay-le-Fleury : 1955.
• Elargissement à 4 voies entre Fontenay-le-Fleury et Clayes-sous-Bois : 1970.
• Déviation urbaine de Clayes-sous-Bois : 1970 à l'Ouest et 1971 à l'Est, sur les actuelles Avenue H. Barbusse et Avenue de Saint-Germain, en reprenant une partie de la D161.
• Déviation urbaine de Plaisir : 1972, doublée en 1980.

Tracé

Chargement de la carte...

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Légende de la carte ou du tableau
En orange	Tracé originel aux Clayes-sous-Bois et à Plaisir.
En jaune	Tracé actuel de la D11
En vert	Tracé de la D11B1
En violet	Tronc commun avec la D191
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.

• Yvelines (78) - D11
  • D7 D10 Saint-Cyr-l'École
  • Fontenay-le-Fleury
  • Villepreux
  • Les Clayes-sous-Bois D98
  • Plaisir D30
  • Neauphle-le-Château D134
  • Villiers-Saint-Frédéric D912  Court tronc commun avec la D191.
  • Neauphle-le-Vieux
  • Saulx-Marchais
  • D76
  • Thoiry D119
  • Goupillières
  • Hargeville D65
  • Septeuil D11^B1 D983
  • Courgent
  • Montchauvet
  • Dammartin-en-Serve
  • Longnes D928
  • Bréval
• Eure (27) - D58