Japan National Route 21 partially coincident with Gifu Prefectural Road Route 1
National Route 21 (国道21号, Kokudō Nijūichi-gō) is a national highway connecting Mizunami, Gifu Prefecture and Maibara, Shiga Prefecture in Japan.Route data
Length: 101.4 kilometers (63.0 mi)
Origin: Mizunami (originates at junction with Route 19)
Terminus: Maibara (ends at Junction with Route 8)
Major cities: Minokamo, Kakamigahara, Gifu, Ōgaki
partially overlapping with partially intersecting with partially sharing with partially matching with partially aligning with