Japan National Route 31
National Route 31 is a national highway connecting Kaita, Hiroshima and Kure in Japan.
Route data
- Length: 20.1 km
- Origin: Kaita, Hiroshima
- Terminus: Kure
- Major cities: Aki-ku, Hiroshima, Saka
History
- 1952-12-04 - First Class National Highway 31
- 1965-04-01 - General National Highway 31