Route départementale française D91 (78)

Route départementale D91 (78)
Plaque Michelin à l'entrée de Dampierre sur la D91. © Jmlv
Localisation
Pays	France
Département	Yvelines (78)
Caractéristiques actuelles
Itinéraire	Versailles - Cernay-la-Ville (D10 - D906)
Longueur	24,1 km

Présentation

• La route départementale française D91 (78), ou RD91 (78), est une route départementale située dans le département des Yvelines (78) qui relie Versailles à Cernay-la-Ville, soit la D10 à la D906.
• Elle est classée « Route internationale » par Michelin au nord de la N12 et est à 2x2 voies partiellement dénivelée entre la N12 et la D36. Elle est par ailleurs en tronc commun avec cette dernière à Voisins-le-Bretonneux.

Historique et aménagements

• La route a été déviée dans sa traversée de l’ex-ville nouvelle de Saint-Quentin-en-Yvelines :
• La déviation Ouest de Voisins-le-Bretonneux à 2x1 voies a été mise en service en deux parties :
  • xx xx 1982 : D36 – Avenue du grand pré
  • xx xx 1993 : Avenue du grand pré – Rue de Port-Royal
• La déviation Est de Guyancourt a été mise en service intégralement et directement à 2x2 voies en 1993. Elle comprend plusieurs giratoires dont un dénivelé, des pistes cyclables et plusieurs passages souterrains pour circulations douces. La section pré-existante entre Guyancourt et La Minière est doublée sur place par la même occasion.
• La D91 a enfin été mise à 2x2 voies partiellement dénivelée entre La Minière et la N12. Cela a été réalisé selon le calendrier suivant :
  • xx xx 1996 : Contournement du Camp de Satory (directement à 2x2 voies)
  • xx 07 1998 : Guyancourt - Camp de Satory (seconde chaussée et pistes cyclables)

Futur

• Réaménagement du carrefour RN12-D91 dans le cadre de la création de la ZAC de Satory.

Tracé

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003EVersailles D10\n\u003C/p\u003E\u003C/div\u003E","title":"Versailles D10\n","link":"","lat":48.79959851678246,"lon":2.1245455741882324,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ECernay-la-Ville D306\n\u003C/p\u003E\u003C/div\u003E","title":"Cernay-la-Ville D306\n","link":"","lat":48.66945330497397,"lon":1.9565749168395996,"icon":""}]}

Légende de la carte ou du tableau
En jaune	Le tracé actuel de la D91
En violet	Tronc commun avec la D36.
En blanc	Tracé déclassé suite à l’ouverture de la déviation.
En gris	Tracé détruit suite à l’ouverture de la déviation.
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) - D91
  • D10 D185 D186 D321 D938 Versailles Château, Église Saint-Louis
  •  N12   D91 
  • Versailles – Satory
  • La Bièvre
  • Guyancourt Avenue de l’Europe
  • Voisins-le-Bretonneux
  •  Court tronc commun avec la D36.
  • Le Rhodon
  • La Brosse Château de la Madeleine
  • L’Yvette
  • Dampierre-en-Yvelines D58
  • Senlisse D149
  • Cernay-la-Ville D24 D906

Trafic

• Versailles : 12 820 véhicules/jour (2010).
• Versailles–Satory : 23 829 véhicules/jour (2010).
• Guyancourt–La Minière : 16 158 véhicules/jour (2010).
• Guyancourt–Est : 12 774 véhicules/jour (2010).
• Voisins-le-Bretonneux : 8 539 véhicules/jour (2009).
• Saint-Lambert : 7 326 véhicules/jour (2009).
• Senlisse : 4 470 véhicules/jour (2010).
• Cernay-la-Ville : 2 123 véhicules/jour (2009).

Autour de la route

• Le parc et le Château de Versailles
• La vallée de la Bièvre
• L’abbaye de Port-Royal
•  Parc naturel régional de la Haute-Vallée de Chevreuse

Galerie photos

Borne de la Voie de la 2^e Division Blindée à Guyancourt.
© G.E.

Borne de la Voie de la 2^e Division Blindée à Guyancourt.
© G.E.

Borne de la Voie de la 2^e Division Blindée à Guyancourt.
© G.E.