Japan National Route 140

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 (91.09 mi).

National Route 140
国道140号
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
Highway system
National highways of Japan Expressways of Japan ← National Route 139 → National Route 141

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.

References

1. "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.