"北陸道/ほくりくどう" (in Japanese). Retrieved 30 January 2020.
mlit.go.jp
kkr.mlit.go.jp
一般国道8号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 27 November 2010.
一般国道8号 (in Japanese). Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 27 November 2010.
mlit.go.jp
"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.
nikkei.com
"大雪で立ち往生、ようやく解消 福井の国道8号" [Stuck with heavy snow, National Highway 8 is finally reopened in Fukui] (in Japanese). 9 February 2018. Retrieved 11 December 2018.