Japan National Route 31
| National Route 31 | ||||
|---|---|---|---|---|
| 国道31号 | ||||
| Route information | ||||
| Length | 20.1 km (12.5 mi) | |||
| Existed | 4 December 1952–present | |||
| Major junctions | ||||
| North end | National Route 2 at Kaita, Hiroshima | |||
| South end | National Route 185 / National Route 487 at Kure, Hiroshima | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 31 (国道31号, Kokudō Sanjūichi-gō) is a national highway connecting Kaita, Hiroshima and Kure in Japan.