Japan National Route 340

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National Route 340 shield

National Route 340
Route information
Length253.1 km[1] (157.3 mi)
Highway system
National highways of Japan
Expressways of Japan
National Route 339National Route 341

National Route 340 is a national highway of Japan connecting Rikuzentakata, Iwate and Hachinohe, Aomori in Japan.

Route description[edit]

National Route 340 has a total length of 253.1 kilometres (157.3 mi).

See also[edit]


  1. ^ "一般国道の路線別、都道府県別道路現況" (PDF) (in Japanese). Retrieved 8 October 2019.

External links[edit]