Japan National Route 166
| National Route 166 | ||||
|---|---|---|---|---|
| 国道166号 | ||||
| Route information | ||||
| Length | 125.4 km (77.9 mi) | |||
| Existed | 18 May 1953–present | |||
| Major junctions | ||||
| West end | National Route 170 in Habikino, Osaka | |||
| East end | National Route 23 in Matsusaka, Mie | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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National Route 166 is a national highway of Japan connecting Habikino, Osaka and Matsusaka, Mie in Japan, with a total length of 125.4 km (77.92 mi).