Japan National Route 21

is a national highway connecting Mizunami, Gifu Prefecture and Maibara, Shiga Prefecture in Japan.

Route data

• Length:
• Origin: Mizunami (originates at junction with Route 19)
• Terminus: Maibara (ends at Junction with Route 8)
• Major cities: Minokamo, Kakamigahara, Gifu, Ōgaki

History

• 4 December 1952 - Designation as First Class National Highway 21 (from Mizunami to Maibara)
• 1 April 1965 - Designation as General National Highway 21 (from Mizunami to Maibara)

Intersects with

• Gifu Prefecture
• Route 19
• Route 248
• Route 41
• Routes 22 and 156
• Route 157
• Routes 258 and 417
• Route 365
• Shiga Prefecture
• Route 8

References