 | You can help expand this article with text translated from the corresponding article in Japanese. (10 December 2023) Click [show] for important translation instructions.
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 | This article relies largely or entirely on a single source. (October 2024) |
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| 国道145号 | ||||
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| Route information | ||||
| Length | 49.8 km[1] (30.9 mi) | |||
| Location | ||||
| Country | Japan | |||
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National Route 145 is a national highway of Japan connecting Naganohara, Gunma and Numata, Gunma in Japan, with a total length of 49.8 km (30.9 mi).
- ^ "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.