Japan National Route 451
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|---|---|
| 国道451号 | |
| 国道451号 | |
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| Route information | |
| Length | 116.5 km (72.4 mi) |
| Location | |
| Country | Japan |
| Highway system | |
National Route 451 is a national highway of Japan connecting Rumoi, Hokkaidō and Takikawa, Hokkaidō in Japan, with a total length of 116.5 km (72.39 mi).
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