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| 国道343号 | ||||
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| Route information | ||||
| Length | 65.1 km[1] (40.5 mi) | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 343 is a national highway of Japan connecting Rikuzentakata, Iwate and Ōshū, Iwate in Japan, with a total length of 65.1 km (40.45 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 12 February 2020.