Japan National Route 21

Route data

• Length:
• Origin: Mizunami
• Terminus: Maibara
• Major cities: Minokamo, Kakamigahara, Gifu, Ōgaki

  History

• 4 December 1952 - Designation as First Class National Highway 21
• 1 April 1965 - Designation as General National Highway 21

  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