Japan National Route 343

National Route 343 is a national highway of Japan connecting Rikuzentakata, Iwate and Ōshū, Iwate in Japan, with a total length of 65.1 km (40.45 mi).

National Route 343 shield

National Route 343
Route information
Length65.1 km[1] (40.5 mi)
Highway system
National highways of Japan
Expressways of Japan
Japanese National Route Sign 0342.svg National Route 342Japanese National Route Sign 0344.svg National Route 344


  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.