Area of roads in Tokyo metropolis, Japan 2021, by pavement type
As of April 1, 2021, there were approximately 116.2 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 15 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.