National Route 406 shield
National Route 406
国道406号
Map
Route 406 in Nagano City.JPG
Route information
Length192.5 km[1] (119.6 mi)
Location
CountryJapan
Highway system
← National Route 405→ National Route 407

National Route 406 is a national highway of Japan connecting Ōmachi, Nagano and Takasaki, Gunma in Japan, with a total length of 192.5 km (119.61 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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