Japan National Route 31

National Route 31 (国道31号) is a national highway connecting Kaita, Hiroshima and Kure in Japan.

Route data

 * Length: 20.1 km (12.5 mi)
 * Origin: Kaita, Hiroshima (originates at junction with Route 2)
 * Terminus: Kure (ends at the origin of Route 185)
 * Major cities: Aki-ku, Hiroshima, Saka

History

 * 1952-12-04 - First Class National Highway 31 (from Kaita, Hiroshima to Kure)
 * 1965-04-01 - General National Highway 31 (from Kaita, Hiroshima to Kure)

Intersects with

 * Hiroshima Prefecture