National Route 122 is a national highway of Japan connecting Nikkō, Tochigi and Toshima, Tokyo in Japan, with a total length of 158.3 km (98.4 mi).

A section of National Route 122 in Midori in Gunma Prefecture is a musical road.

[2] Route 122 was originally designated on 18 May 1953 from Maebashi to Mito.

This was redesignated as Route 50 on 1 April 1963 and the current Route 122 was designated the same day.

This article relating to the roads and highways in Japan is a stub.