Country: | JPN |
Type: | National |
Route: | 231 |
Map Custom: | yes |
Length Km: | 129.2 |
Length Ref: | [1] |
Previous Type: | Route |
Previous Route: | 230 |
Next Type: | Route |
Next Route: | 232 |
National Route 231 is a national highway of Japan connecting Kita-ku, Sapporo and Rumoi, Hokkaido in Japan, with a total length of 129.2 km (80.28 mi).