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National Route 21 (国道21号, Kokudō Nijūichi-gō) is a national highway connecting Mizunami, Gifu Prefecture and Maibara, Shiga Prefecture in Japan.[1]

National Route 21 shield

National Route 21
国道21号 (Kokudō Nijūichi-gō)
Route information
Length101.4 km (63.0 mi)
Highway system
National highways of Japan
Expressways of Japan


Route DataEdit


Intersects withEdit


  1. ^ 一般国道21号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 2010-11-27.