Japan National Route 420
| National Route 420 | ||||
|---|---|---|---|---|
| 国道420号 | ||||
| Route information | ||||
| Length | 66.5 km (41.3 mi) | |||
| Major junctions | ||||
| West end | National Route 153 in Toyota, Aichi | |||
| East end | National Route 151 / National Route 257 in Shinshiro, Aichi | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
| ||||
National Route 420 is a national highway of Japan connecting Toyota, Aichi and Shinshiro, Aichi in Japan, with a total length of 66.5 km (41.32 mi).