3.

La partie centrale, entre les stations Clemenceau et Anatole France, d'une longueur de 3,765 km a été creusée à l'aide d'un tunnelier baptisé « Perceval ». Certaines ont été améliorées (sortie doublée vers la route de Entre la porte de Bréquigny et la porte de Saint-Nazaire, la rocade prend un virage assez serré dans le sens extérieur, d'où la présence d'un radar automatique.

La seconde rocade de Rennes est une boucle de routes départementales d'environ 65 kilomètres qui a pour fonction de relier les communes de la première ceinture rennaise et de transférer une partie du trafic du périphérique rennais en cas de saturation. La seconde rocade de Rennes est une boucle de routes départementales, qui a pour fonction de relier les petites villes de la première ceinture et de transférer une partie du trafic du périphérique de Rennes en cas de saturation. Cette seconde ceinture passe cependant encore dans des zones urbaines notamment à l'est entre Le trafic se situe entre 15 000 véhicules par jour au nord-ouest et 8 000 véhicules par jour à l'est où les aménagements sont plus restreints. Il a commencé son périple sous le centre-ville rennais le 12 janvier 1998, pour s'achever le 15 mars 2000 au puits Tumoine, situé 200 … Le périphérique de l'agglomération rennaise est constitué par la Route nationale 136. Présentation. La rocade fait partie des routes de l'agglomération gérées par la À noter qu'il existe quelques autres accès à la rocade qui ne sont pas des échangeurs notamment : Rocade de Rennes: Vue aérienne sur la rocade de Rennes à hauteur de la porte de Lorient et du Roazhon Park. 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