Route description
- Length: 187.7 km (including closed sections)
- Origin: Imizu, Toyama Prefecture at the intersection with Route 415 at Shinkō-no-mori
- Terminus: Gujo, Gifu Prefecture at the intersection with Route 156 at Jōnan-chō
- Main cities en route: Toyama, Takayama
- Designated section: Part of National Route 41 system
References
- ↑ "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.
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| 101–200 | |
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| 201–300 | |
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| 301–400 | |
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| 401–507 | |
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Route numbers in italics are no longer in use.
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