Based on the Japanese Road Act, the management, repair, etc. of national roads inside legally designated areas fall under the responsibility of the Ministry of Land, Infrastructure, Transport, and Tourism. Outside these designated areas, each prefecture has to take care of these obligations inside their respective territory.
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Length of highways and expressways in Tokyo, Japan 2021, by operator
As of April 1, 2021, there were approximately * kilometers of general national highways inside Tokyo metropolis, Japan, which fell under the jurisdiction of the Ministry of Land, Infrastructure, Transport, and Tourism. The metropolitan government was operating kilometers.
While lower jurisdictions administer the overwhelming part of roads, the national and metropolitan governments operate national highways, and government-owned stock companies manage the chargeable expressways.
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Tokyo Metropolitan Government. (April 25, 2022). Length of highways and expressways in Tokyo metropolis, Japan as of April 2021, by operator (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1179869/japan-tokyo-highways-expressways-length-by-operator/
Tokyo Metropolitan Government. "Length of highways and expressways in Tokyo metropolis, Japan as of April 2021, by operator (in kilometers)." Chart. April 25, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1179869/japan-tokyo-highways-expressways-length-by-operator/
Tokyo Metropolitan Government. (2022). Length of highways and expressways in Tokyo metropolis, Japan as of April 2021, by operator (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1179869/japan-tokyo-highways-expressways-length-by-operator/
Tokyo Metropolitan Government. "Length of Highways and Expressways in Tokyo Metropolis, Japan as of April 2021, by Operator (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Apr 2022, /statistics/1179869/japan-tokyo-highways-expressways-length-by-operator/
Tokyo Metropolitan Government, Length of highways and expressways in Tokyo metropolis, Japan as of April 2021, by operator (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/1179869/japan-tokyo-highways-expressways-length-by-operator/ (last visited July 29, 2026)
Length of highways and expressways in Tokyo metropolis, Japan as of April 2021, by operator (in kilometers) [Graph], Tokyo Metropolitan Government, April 25, 2022. [Online]. Available: /statistics/1179869/japan-tokyo-highways-expressways-length-by-operator/
