National Route 489 is a national highway of Japan. The highway connects Shunan, Yamaguchi and Yamaguchi, Yamaguchi. It has a total length of 44.8 kilometers (27.8 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 10 February 2020.