Japan National Route 122

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.

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

History
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.