 | This article relies largely or entirely on a single source. (October 2024) |
 | You can help expand this article with text translated from the corresponding article in Japanese. (October 2024) Click [show] for important translation instructions.
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| 国道151号 | ||||
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| Route information | ||||
| Length | 137.4 km[1] (85.4 mi) | |||
| Major junctions | ||||
| North end | Prefectural Route 8 / Prefectural Route 15 in Iida, Nagano | |||
| South end |   National Route 1 / National Route 247 in Toyohashi, Aichi | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 151 is a national highway of Japan connecting Iida, Nagano and Toyohashi, Aichi in Japan, with a total length of 137.4 km (85.38 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.