Japan National Route 155

National Route 155 is a national highway of Japan connecting Tokoname, Aichi and Yatomi, Aichi in Japan, with a total length of 126.9 km (78.85 mi). It serves as Nagoya's outer loop.

National Route 155 shield
National Route 155
Route information
Length126.9 km[1] (78.9 mi)
Major junctions
Loop around Nagoya
CCW end National Route 1 / Prefectural Route 105 in Yatomi, Aichi
CW end National Route 247 in Tokoname, Aichi
Highway system
National highways of Japan
Expressways of Japan
Japanese National Route Sign 0154.svg National Route 154Japanese National Route Sign 0156.svg National Route 156


Route 155 was originally designated on 18 May 1953 from Nagoya to Toyama. This was redesignated as Route 41 in 1959. The current routing of Route 155 dates from 1963.


  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.