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|---|---|---|---|---|
| 国道255号 | ||||
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| Route information | ||||
| Length | 20.3 km[1] (12.6 mi) | |||
| Major junctions | ||||
| North end |  National Route 246 in Hadano, Kanagawa | |||
 Tōmei Expressway National Route 271 (Odawara-Atsugi Road) | ||||
| South end |  National Route 1 in Odawara, Kanagawa | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 255 is a national highway of Japan connecting Hadano, Kanagawa and Odawara, Kanagawa in Japan, with a total length of 20.3 km (12.61 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.