Japan National Route 143
| National Route 143 | ||||
|---|---|---|---|---|
| 国道143号 | ||||
| Route information | ||||
| Length | 51 km (32 mi) | |||
| Existed | 1953–present | |||
| Major junctions | ||||
| West end | National Route 19 / National Route 158 in Matsumoto, Nagano | |||
| East end | National Route 18 in Ueda, Nagano | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
  | ||||
National Route 143 is a national highway of Japan connecting Matsumoto, Nagano and Ueda, Nagano in Japan, with a total length of 51 km (32 mi).