Japan National Route 21

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National Route 21 shield

National Route 21
国道21号 (Kokudō Nijūichi-gō)
Route information
Length101.4 km[1] (63.0 mi)
Highway system
National highways of Japan
Expressways of Japan
National Route 20National Route 22

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]

Route Data[edit]

History[edit]

  • 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[edit]

References[edit]

  1. ^ "一般国道の路線別、都道府県別道路現況" (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 10 October 2019.
  2. ^ 一般国道21号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 27 November 2010.