Japan: road type share based on area by type

As of March 31, 2020, municipal roads accounted for 72.9 percent of Japan's total road network area. The road area was calculated based on the accumulated width of road sections, including the roadway, sidewalks and similar, as well as the median strip and shoulders.

Distribution of roads in Japan based on area as of March 2020, by type

Characteristic	Share of total road network area
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Release date

February 2022

More information

Region

Japan

Survey time period

March 31, 2020

Special properties

excluding national expressways

Supplementary notes

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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