 | ||||
|---|---|---|---|---|
| 国道187号 | ||||
 | ||||
| Route information | ||||
| Length | 108.4 km[1] (67.4 mi) | |||
| Existed | 18 May 1953–present | |||
| Major junctions | ||||
| North end |  National Route 9 in Masuda | |||
| South end |  National Route 2 in Iwakuni | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
| ||||
National Route 187 is a national highway of Japan connecting Iwakuni and Masuda in Japan, with a total length of 108.4 km (67.36 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.