Japan National Route 21

National Route 21 (国道21号, Kokudō Nijūichi-gō) is a national highway connecting Mizunami, Gifu Prefecture and Maibara, Shiga Prefecture in Japan.[2]

National Route 21 shield
National Route 21
国道21号
Route information
Length101.4 km[1] (63.0 mi)
Location
CountryJapan
Highway system
← National Route 20→ National Route 22

Route data

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

References
  1. "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 19 February 2020.
  2. 一般国道２１号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 27 November 2010.
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