As of March 31, 2022, most Japanese standard-improved roads had a roadway width of 5.5 meters or less, accounting for 56.5 percent of the regular road network length. Ensuring the quality and security of Japan's roads, the standard is a set of regulations, which were introduced successively since the 1960s in light of growing traffic.
Distribution of standard-improved roads in Japan based on length as of March 2022, by width
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MLIT (Japan). (March 22, 2024). Distribution of standard-improved roads in Japan based on length as of March 2022, by width [Graph]. In Statista. Retrieved December 30, 2024, from https://www.statista.com/statistics/1229188/japan-improved-road-share-based-on-length-by-width/
MLIT (Japan). "Distribution of standard-improved roads in Japan based on length as of March 2022, by width." Chart. March 22, 2024. Statista. Accessed December 30, 2024. https://www.statista.com/statistics/1229188/japan-improved-road-share-based-on-length-by-width/
MLIT (Japan). (2024). Distribution of standard-improved roads in Japan based on length as of March 2022, by width. Statista. Statista Inc.. Accessed: December 30, 2024. https://www.statista.com/statistics/1229188/japan-improved-road-share-based-on-length-by-width/
MLIT (Japan). "Distribution of Standard-improved Roads in Japan Based on Length as of March 2022, by Width." Statista, Statista Inc., 22 Mar 2024, https://www.statista.com/statistics/1229188/japan-improved-road-share-based-on-length-by-width/
MLIT (Japan), Distribution of standard-improved roads in Japan based on length as of March 2022, by width Statista, https://www.statista.com/statistics/1229188/japan-improved-road-share-based-on-length-by-width/ (last visited December 30, 2024)
Distribution of standard-improved roads in Japan based on length as of March 2022, by width [Graph], MLIT (Japan), March 22, 2024. [Online]. Available: https://www.statista.com/statistics/1229188/japan-improved-road-share-based-on-length-by-width/
