As of March 31, 2023, Hokkaido was the Japanese Prefecture with the vastest road network, amounting to approximately ***** thousand kilometers. The real road length in Japan added up to around **** million kilometers at the time.
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MLIT (Japan). (March 31, 2025). Length of roads in Japan as of March 2023, by prefecture (in 1,000 kilometers) [Graph]. In Statista. Retrieved May 08, 2026, from https://www.statista.com/statistics/1228475/japan-road-length-by-prefecture/
MLIT (Japan). "Length of roads in Japan as of March 2023, by prefecture (in 1,000 kilometers)." Chart. March 31, 2025. Statista. Accessed May 08, 2026. https://www.statista.com/statistics/1228475/japan-road-length-by-prefecture/
MLIT (Japan). (2025). Length of roads in Japan as of March 2023, by prefecture (in 1,000 kilometers). Statista. Statista Inc.. Accessed: May 08, 2026. https://www.statista.com/statistics/1228475/japan-road-length-by-prefecture/
MLIT (Japan). "Length of Roads in Japan as of March 2023, by Prefecture (in 1,000 Kilometers)." Statista, Statista Inc., 31 Mar 2025, https://www.statista.com/statistics/1228475/japan-road-length-by-prefecture/
MLIT (Japan), Length of roads in Japan as of March 2023, by prefecture (in 1,000 kilometers) Statista, https://www.statista.com/statistics/1228475/japan-road-length-by-prefecture/ (last visited May 08, 2026)
Length of roads in Japan as of March 2023, by prefecture (in 1,000 kilometers) [Graph], MLIT (Japan), March 31, 2025. [Online]. Available: https://www.statista.com/statistics/1228475/japan-road-length-by-prefecture/
