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The origins of the road that is now National Route 8 can be traced back to the Hokurikudō, a road that was established after the Taika Reform to link Kyoto to the capitals of the region by that went by the same name.[4]
The modern history of the highway saw its establishment by the Cabinet of Japan on 4 December 1952 as First Class National Highway 8 from Niigata to Kyoto. On 1 April 1965 it was re-designated as General National Highway 8. On 7–9 February 2018, heavy snowfall shut down the highway for over 60 hours in Fukui Prefecture before it could be removed.[5]
Intersecting routes
This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can.(November 2021)
^"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.
^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.
^"北陸道/ほくりくどう" (in Japanese). Retrieved 30 January 2020.
^"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.