| National Route 187 | |
|---|---|
| 国道187号 | |
| Route information | |
| Length: | 108.4 km (67.4 mi) |
| Highway system | |
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National highways of Japan Expressways of Japan |
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National Route 187 is a national highway of Japan connecting Iwakuni, Yamaguchi and Masuda, Shimane in Japan, with a total length of 108.4 km (67.36 mi).