Japan National Route 456

National Route 456 is a national highway of Japan connecting Morioka, Iwate and Motoyoshi, Miyagi in Japan, with a total length of 154.5 km (96 mi).

National Route 456 shield

National Route 456
Route information
Length154.5 km[1] (96.0 mi)
Highway system
National highways of Japan
Expressways of Japan
Japanese National Route Sign 0455.svg National Route 455Japanese National Route Sign 0457.svg National Route 457
Sign on Prefectural Road 8 in Esashi Ward, Oshu City showing how 456 joins 8 and 14. JR Mizusawa-Esashi Station is on 14 to the right. This sign is usually hidden by tree branches in summer.


  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 11 February 2020.