As of April 1, 2022, the length of general national highways in Japan amounted to approximately 56 thousand kilometers. The length of general national highways remained unchanged during the past years.
Road length of general national highways in Japan from 2013 to 2022
(in 1,000 kilometers)
Characteristic
Road length in thousand kilometers
2022
56
2021
56
2020
56
2019
56
2018
56
2017
56
2016
56
2015
56
2014
56
2013
55
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Figures are 'real lengths'. According to the source, real length of roads refers to the length of roads minus duplicate length (duplicate sections), length not in service (sections for which no notification of commencement of service has been provided) and water length (sections on the sea, rivers, lakes, or marshes where ferrying services are available). Due to the Great East Japan Earthquake, figures for 2011 and 2012 partly include data for city, town and village roads as of April 1, 2012, and before.
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Statistics Bureau of Japan. (November 22, 2024). Road length of general national highways in Japan from 2013 to 2022 (in 1,000 kilometers) [Graph]. In Statista. Retrieved March 16, 2025, from https://www.statista.com/statistics/874096/japan-general-national-highway-length/
Statistics Bureau of Japan. "Road length of general national highways in Japan from 2013 to 2022 (in 1,000 kilometers)." Chart. November 22, 2024. Statista. Accessed March 16, 2025. https://www.statista.com/statistics/874096/japan-general-national-highway-length/
Statistics Bureau of Japan. (2024). Road length of general national highways in Japan from 2013 to 2022 (in 1,000 kilometers). Statista. Statista Inc.. Accessed: March 16, 2025. https://www.statista.com/statistics/874096/japan-general-national-highway-length/
Statistics Bureau of Japan. "Road Length of General National Highways in Japan from 2013 to 2022 (in 1,000 Kilometers)." Statista, Statista Inc., 22 Nov 2024, https://www.statista.com/statistics/874096/japan-general-national-highway-length/
Statistics Bureau of Japan, Road length of general national highways in Japan from 2013 to 2022 (in 1,000 kilometers) Statista, https://www.statista.com/statistics/874096/japan-general-national-highway-length/ (last visited March 16, 2025)
Road length of general national highways in Japan from 2013 to 2022 (in 1,000 kilometers) [Graph], Statistics Bureau of Japan, November 22, 2024. [Online]. Available: https://www.statista.com/statistics/874096/japan-general-national-highway-length/
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