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|---|---|---|---|---|---|
| 1 | national highway | 国道 | |||
| 2 | national road | 国道 | |||
| 3 | national expressway | 高速自動車国道 | |||
| 4 | trunk roads including national roads | 国道等幹線道路 | |||
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|---|---|---|---|---|---|
| 1 | national highway | 国道 | |||
| 2 | national road | 国道 | |||
| 3 | national expressway | 高速自動車国道 | |||
| 4 | trunk roads including national roads | 国道等幹線道路 | |||