Japan National Route 23
National Route 23 is a national highway connecting Toyohashi and Ise, Mie in Japan.
Route data
History
- 4 December 1952 - Designated as First Class National Highway 23
- 1 April 1965 - Designated as General National Highway 23
- 1 April 1975 - The highway was extended with the addition of a section between Yokkaichi, Mie and Toyohashi.