Japan National Route 146

National Route 146 is a national highway of Japan connecting Naganohara, Gunma and Karuizawa, Nagano in Japan, with a total length of 30.2 km (18.77 mi).

National Route 146
国道146号
Japan Romantic Road
Route 146 in Karuizawa
Route information
Length	30.2 km[1] (18.8 mi)
Existed	1953–present
Major junctions
South end	National Route 18 in Karuizawa, Nagano
North end	National Route 144 / National Route 145 in Naganohara, Gunma
Highway system
National highways of Japan Expressways of Japan ← National Route 145 National Route 147 →

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.