is a national highway connecting Nagoya, Aichi Prefecture, and Gifu, Gifu Prefecture in Japan. The route follows the old Minoji, a 17th-century trade route that connected the Nakasendō and the Tōkaidō.
Route data Length: Origin: Nagoya (originates at junction with Route 1) Terminus: Gifu (ends at Junction with Route 21) Major cities: Ichinomiya
Overlapping sections
From Atsuta-ku, Nagoya (Atsuta Shrine South intersection) to Naka-ku, Nagoya (Nichigin-mae intersection): Route 19 From Ginan (Ginan IC) to Gifu (Akanabe-Hongo intersection): Routes 21 and 156
History 4 December 1952 - First Class National Highway 22 (from Nagoya to Gifu) 1 April 1965 - General National Highway 22 (from Nagoya to Gifu)
Intersects with
Aichi Prefecture Routes 1 and 247 Route 19 Route 302 Route 155 Gifu Prefecture Routes 21 and 156 Route 157
References