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| 国道125号 | ||||
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| Route information | ||||
| Length | 128.4 km[1] (79.8 mi) | |||
| Existed | 1953–present | |||
| Major junctions | ||||
| West end |  National Route 51 in Katori, Chiba | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 125 is a national highway of Japan connecting Katori, Chiba and Kumagaya, Saitama in Japan, with a total length of 128.4 km (79.78 mi).
