As of March 31, 2020, municipal roads accounted for 84.8 percent of Japan's total road network length. The general road network amounted in total to approximately 1.22 million kilometers.
Distribution of roads in Japan based on length as of March 2020, by type
The Japanese road network has a hierarchical structure that classifies from bottom to top municipal roads, prefectural roads, national highways, and national expressways. Their classification is based on their function and implicates their jurisdiction, administrator, and financing.
Major regional roads and general prefectural roads are subcategories of prefectural roads.
The source does not provide an exact publication date. The date mentioned here is the day of data access.
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MLIT (Japan). (February 4, 2022). Distribution of roads in Japan based on length as of March 2020, by type [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/1228415/japan-road-type-share-based-on-length-by-type/
MLIT (Japan). "Distribution of roads in Japan based on length as of March 2020, by type." Chart. February 4, 2022. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/1228415/japan-road-type-share-based-on-length-by-type/
MLIT (Japan). (2022). Distribution of roads in Japan based on length as of March 2020, by type. Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/1228415/japan-road-type-share-based-on-length-by-type/
MLIT (Japan). "Distribution of Roads in Japan Based on Length as of March 2020, by Type." Statista, Statista Inc., 4 Feb 2022, https://www.statista.com/statistics/1228415/japan-road-type-share-based-on-length-by-type/
MLIT (Japan), Distribution of roads in Japan based on length as of March 2020, by type Statista, https://www.statista.com/statistics/1228415/japan-road-type-share-based-on-length-by-type/ (last visited December 21, 2024)
Distribution of roads in Japan based on length as of March 2020, by type [Graph], MLIT (Japan), February 4, 2022. [Online]. Available: https://www.statista.com/statistics/1228415/japan-road-type-share-based-on-length-by-type/
