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|---|---|---|---|---|
| 国道297号 | ||||
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| Route information | ||||
| Length | 107.0 km[1] (66.5 mi) | |||
| Existed | 1 April 1970–present | |||
| Major junctions | ||||
| North end |  National Route 16 in Ichihara, Chiba | |||
| South end |   National Route 128 / National Route 410 in Tateyama, Chiba | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 297 is a national highway of Japan connecting Tateyama, Chiba and Ichihara, Chiba in Japan, with a total length of 107 km (66.49 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 18 February 2020.