Explore details about location Route Départementale 70. Route Départementale 70 is a location situated within the Concarneau alongside other areas such as Allée des Filets-Bleus, Rue Aire-l'Évêque, Rue Jean Mermoz. Additionally, some smaller parts of Route Départementale 70 include specific areas like Rue du Poteau Vert adding to the diversity of its landscape.