Route départementale française D3 (38)

Route départementale D3 (38)
Localisation
Pays	France
Département	Isère (38)
Caractéristiques actuelles
Itinéraire	Voreppe - Montaud
Longueur	10,6 km

Présentation

• La route départementale D3 (38), ou RD3 (38), est une route départementale de l'Isère (38) qui relie Voreppe à Montaud dans le massif du Vercors. Cette route absorbe en partie le trafic international Lyon - Grenoble - Marseille et Valence - Grenoble entre Voreppe et Veurey-Voroize.
• Cet axe supporte les itinéraires Bis dans le sens Paris → Province allant vers la Côte d'Azur.
• La D3 (38) comporte plusieurs annexes :
  • La D3^A dessert le centre-ville de Voreppe
  • La D3^C relie le village de Veurey-Voroize au Chevalon
  • La D3^D correspond à la bretelle d'accès à la D3 (38) au niveau de la D1532 à Veurey-Voroize.
• Depuis le 1^er janvier 2017 son exploitation est partagée entre le CD38 et Grenoble-Alpes Métropole.

Historique

Aménagement sur la D3 entre Veurey et Voreppe. © CD38

• Le Pont de Veurey est reconstruit le 17 décembre 1987, l'ancien ouvrage datant de 1933 étant dynamité par la suite.
• Entre Veurey et Voreppe, l'axe est partiellement élargi en 1954 tandis que les raccords avec les RN75 et RN532 sont repris en 1956.
• Par la suite, de nombreux carrefours giratoires sont construits sur cette section : près de la Roize à Voreppe en 2000, puis au voisinage de l'A48 entre 2009 et 2014, ce qui a renforcé la sécurité de certains carrefours secondaires tout en nuisant fortement à l'écoulement du trafic sur l'axe principal (voir le schéma ci-contre).

Autour de la route

•  Parc naturel régional du Vercors

Tracé

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003EVoreppe\n\u003C/p\u003E\u003C/div\u003E","title":"Voreppe\n","link":"","lat":45.295293,"lon":5.628312,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EMontaud\n\u003C/p\u003E\u003C/div\u003E","title":"Montaud\n","link":"","lat":45.262976,"lon":5.565888,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EVoreppe D3\u003Csup\u003EA\u003C/sup\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"Voreppe D3A\n","link":"","lat":45.296973794951775,"lon":5.635301048583168,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EVoreppe D3\u003Csup\u003EC\u003C/sup\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"Voreppe D3C\n","link":"","lat":45.27493886969811,"lon":5.649761040083949,"icon":""}]}

Légende de la carte ou du tableau
En jaune	Tracé de la D3 géré par le CD38
En vert	Tracé des annexes
En bleu ciel	Tracé de la D3 géré par Grenoble-Alpes Métropole
En violet	Tronc commun avec la D1532
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.

• Isère (38) - D3
  • D520^A D520^E D1075 D1085 Voreppe
  • Le Roize
  • Canal du Mondragon
  •  A48 E711 E713   12  Veurey   13  Voreppe
  • Canal de la Vence
  • L'Isère
• Isère (38) / Grenoble-Alpes Métropole - D3
  • Veurey-Voroize D1532 Le Voroize
  • Le Châtelard
• Isère (38) - D3
  • Montaud D218