National Route 137 is a national highway of Japan connecting Fujiyoshida, Yamanashi and Fuefuki, Yamanashi in Japan, with a total length of 30 km (18.64 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 19 February 2020.