National Route 403 | ||||
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国道403号 | ||||
Route information | ||||
Length | 352.8 km[1] (219.2 mi) | |||
Location | ||||
Country | Japan | |||
Highway system | ||||
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National Route 403 is a national highway of Japan connecting Chūō-ku, Niigata and Matsumoto, Nagano in Japan, with a total length of 352.8 km (219.22 mi).