National Route 230 is a national highway of Japan connecting Chūō-ku, Sapporo and Setana, Hokkaido in Japan, with a total length of 195.4 km (121.42 mi).

References

  1. ^ "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 18 February 2020.
Allikas: https://en.wikipedia.org/wiki/Japan_National_Route_230
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