National Route 131 is a national highway of Japan connecting Haneda Airport and Ōmori-Higashi 2-chōme, Ōta, Tokyo[2] in Japan, with a total length of 3.6 km (2.24 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.
  2. ^ Cabinet Order Designating Routes of General National Highways (Cabinet Order No. 58 of 1965)