Japan: general national highway length

As of April 1, 2020, the length of general national highways in Japan amounted to approximately 56 thousand kilometers. This represented a slight increase from around 55 thousand kilometers in 2011.

Road length of general national highways in Japan from 2011 to 2020 (in 1,000 kilometers)

Characteristic	Road length in thousand kilometers
2020	56
2019	56
2018	56
2017	56
2016	56
2015	56
2014	56
2013	55
2012	55
2011	55

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Release date

November 2022

More information

Region

Japan

Survey time period

2011 to 2020

Special properties

data as of April 1 of each stated year

Supplementary notes

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.

Data prior to 2020 are from previous reports.

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