Japan National Route 420

National Route 420
国道420号
Route information
Length	66.5 km[1] (41.3 mi)
Major junctions
West end	National Route 153 in Toyota, Aichi
East end	National Route 151 / National Route 257 in Shinshiro, Aichi
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 419 → National Route 421

National Route 420 is a national highway of Japan connecting Toyota, Aichi and Shinshiro, Aichi in Japan, with a total length of 66.5 km (41.32 mi).

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