 | This articlerelies largely or entirely on asingle source. Relevant discussion may be found on thetalk page. Please helpimprove this article byintroducing citations to additional sources. Find sources: "Japan National Route 316" – news ·newspapers ·books ·scholar ·JSTOR(January 2025) |
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| 国道316号 | ||||
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| Route information | ||||
| Length | 40.2 km[1] (25.0 mi) | |||
| Location | ||||
| Country | Japan | |||
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National Route 316 is anational highway ofJapan connecting the towns ofNagato andSan'yō-Onoda inYamaguchi prefecture, with a total length of 40.2 km (24.98 mi).
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