Japan National Route 346

National Route 346 is a national highway of Japan connecting Aoba-ku, Sendai and Kesennuma, Miyagi in Japan, with a total length of 111.6 km (69.35 mi).

National Route 346 shield

National Route 346
Route information
Length111.6 km[1] (69.3 mi)
Highway system
National highways of Japan
Expressways of Japan
Japanese National Route Sign 0345.svg National Route 345Japanese National Route Sign 0347.svg National Route 347


  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.