National Route 400 shield
National Route 400
国道400号
Map
Japan National Route 400 Nairi.jpg
Route information
Length225.7 km[1] (140.2 mi)
Location
CountryJapan
Highway system
← National Route 399→ National Route 401

National Route 400 is a national highway of Japan connecting Mito, Ibaraki and Nishiaizu, Fukushima, with a total length of 225.7 km (140.24 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 12 February 2020.
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