Japan National Route 400
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{{Infobox road/name/|province=¬|state=Japan|type=National|subtype=|route=400|county=}} | |
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Route information | |
Length | 225.7 km (140.2 mi) |
National Route 400 is a national highway of Japan connecting between Mito, Ibaraki and Nishiaizu, Fukushima in Japan, with total length has 225.7 km (140.24 mi).