National Route 405
国道405号
Route information
Length	109.6 km[1] (68.1 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 404 →National Route 406

National Route 405 is anational highway ofJapan connectingNakanojō, Gunma andJōetsu, Niigata in Japan, with a total length of 109.6 km (68.1 mi).

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