As of April 1, 2021, there were approximately thousand square kilometers of high-class asphalt roads in Tokyo metropolis, Japan, which was the dominant type of pavement. They covered a length of around ** thousand kilometers.
The overall length of roads in Tokyo, notably standard-improved roads, had been steadily increasing throughout the last ten years. In contrast, unimproved roads had been continuously decreasing in length and area.
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Tokyo Metropolitan Government. (April 25, 2022). Area of roads in Tokyo metropolis, Japan as of April 2021, by type of pavement (in square kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1179550/japan-tokyo-road-area-by-pavement/
Tokyo Metropolitan Government. "Area of roads in Tokyo metropolis, Japan as of April 2021, by type of pavement (in square kilometers)." Chart. April 25, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1179550/japan-tokyo-road-area-by-pavement/
Tokyo Metropolitan Government. (2022). Area of roads in Tokyo metropolis, Japan as of April 2021, by type of pavement (in square kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1179550/japan-tokyo-road-area-by-pavement/
Tokyo Metropolitan Government. "Area of Roads in Tokyo Metropolis, Japan as of April 2021, by Type of Pavement (in Square Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Apr 2022, /statistics/1179550/japan-tokyo-road-area-by-pavement/
Tokyo Metropolitan Government, Area of roads in Tokyo metropolis, Japan as of April 2021, by type of pavement (in square kilometers) ÌÇÐÄÆƽâ°æ, /statistics/1179550/japan-tokyo-road-area-by-pavement/ (last visited July 27, 2026)
Area of roads in Tokyo metropolis, Japan as of April 2021, by type of pavement (in square kilometers) [Graph], Tokyo Metropolitan Government, April 25, 2022. [Online]. Available: /statistics/1179550/japan-tokyo-road-area-by-pavement/
