Japan National Route 421

National Route 421 is a national highway of Japan connecting Kuwana, Mie and Ōmihachiman, Shiga in Japan, with a total length of 72 km (44.74 mi).

National Route 421
国道421号
Route information
Length	72.0 km[1] (44.7 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 420 → National Route 422

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 11 February 2020.