Réseau routier de l'Isère - Hiérarchisation

This dataset represents the geographical sections of Isero departmental roads according to their hierarchy (depending on many criteria), with 6 categories ranging from R1 to R5.本数据集依据多项评判标准，按照层级对伊塞罗（Isero）省省道的地理区段进行划分，共包含从R1至R5的6个分类。