Japan National Route 51

National Route 51 is a national highway of Japan connecting Chūō-ku, Chiba and Mito, Ibaraki.

National Route 51 shield

National Route 51
Route information
Length124 km[1] (77 mi)
Highway system
National highways of Japan
Expressways of Japan
National Route 50National Route 52
Route 51,Toyomi,Narita-city,Japan.jpg

Route dataEdit

  • Length: 124 km (77.05 mi).


  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 19 February 2020.