Length of standard-improved roads in Tokyo, Japan 2019, by road width
As of April 1, 2019, there were approximately 10.97 thousand kilometers of standard-improved roads in Tokyo metropolis, Japan, which had a width of fewer than 5.5 meters. The total length of standard-improved roads in Tokyo was about 18.62 thousand kilometers. In contrast, unimproved roads added up to around 6.03 thousand kilometers.