Japan National Route 342

National Route 342 is a national highway of Japan connecting Yokote, Akita and Tome, Miyagi in Japan, with a total length of 148.9 km (92.52 mi).

National Route 342 shield

National Route 342
Route information
Length148.9 km[1] (92.5 mi)
Highway system
National highways of Japan
Expressways of Japan
Japanese National Route Sign 0341.svg National Route 341Japanese National Route Sign 0343.svg National Route 343


  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.