National Route 140 is a national highway of Japan connecting Kumagaya, Saitama and Fujikawa, Yamanashi in Japan, with a total length of 146.6 km (91.1 mi).
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| 国道140号 | ||||
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 Route 140 in Kumagaya | ||||
| Route information | ||||
| Length | 150.4 km[1] (93.5 mi) | |||
| Existed | 1953–present | |||
| Major junctions | ||||
| South end |  National Route 52 in Fujikawa, Yamanashi | |||
| North end |   National Route 17 / National Route 407 in Kumagaya | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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The route includes the Karisaka Tunnel, first opened in 1998 and at 6.225 km (3.868 mi) is the fifth-longest road tunnel in Japan.Because it is the main road connecting Saitama and Yamanashi, both prefectures are developing the Nishikanto Road.[2]
See also
edit
References
edit- ^ "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.
- ^ "西関東連絡道路".
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