As of April 1, 2021, there were approximately ** thousand kilometers of high-class asphalt roads in Tokyo metropolis, which was the dominant type of pavement. They covered an area of around square 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). Length of roads in Tokyo metropolis in Japan as of April 2021, by type of pavement (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1179527/japan-tokyo-road-length-by-pavement/
Tokyo Metropolitan Government. "Length of roads in Tokyo metropolis in Japan as of April 2021, by type of pavement (in kilometers)." Chart. April 25, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1179527/japan-tokyo-road-length-by-pavement/
Tokyo Metropolitan Government. (2022). Length of roads in Tokyo metropolis in Japan as of April 2021, by type of pavement (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1179527/japan-tokyo-road-length-by-pavement/
Tokyo Metropolitan Government. "Length of Roads in Tokyo Metropolis in Japan as of April 2021, by Type of Pavement (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Apr 2022, /statistics/1179527/japan-tokyo-road-length-by-pavement/
Tokyo Metropolitan Government, Length of roads in Tokyo metropolis in Japan as of April 2021, by type of pavement (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/1179527/japan-tokyo-road-length-by-pavement/ (last visited July 29, 2026)
Length of roads in Tokyo metropolis in Japan as of April 2021, by type of pavement (in kilometers) [Graph], Tokyo Metropolitan Government, April 25, 2022. [Online]. Available: /statistics/1179527/japan-tokyo-road-length-by-pavement/
