National Route 21
国道21号
Route information
Length	101.4 km[1] (63.0 mi)
Existed	4 December 1952–present
Major junctions
East end	National Route 19 inMizunami
West end	National Route 8 inMaibara
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 20 →National Route 22

National Route 21 (国道21号,Kokudō Nijūichi-gō) is anational highway connectingMizunami,Gifu Prefecture andMaibara,Shiga Prefecture inJapan.^[2]

• Length: 101.4 kilometers (63.0 mi)
• Origin:Mizunami (originates at junction withRoute 19)
• Terminus:Maibara (ends at Junction withRoute 8)
• Major cities:Minokamo,Kakamigahara,Gifu,Ōgaki

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

This article contains a bulleted list or table of intersections whichshould be presented in a properly formatted junction table. Please consultthis guideline for information on how to create one. Pleaseimprove this article if you can.(November 2021)

• Gifu Prefecture
  • Route 19
  • Route 248
  • Route 41
  • Routes22 and156
  • Route 157
  • Routes258 and417
  • Route 365
• Shiga Prefecture
  • Route 8

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• Roads in Shiga Prefecture
• 1952 establishments in Japan
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