Lane width regulation in Korea
| Type | Minimum width of road (ft) | ||
|---|---|---|---|
| Local area | Urban area | Compact car road | |
| Highway | 11.5 | 11.5 | 10.7 |
| General road | |||
| Design speed (mph) | |||
| More than 50 | 11.5 | 10.7 | 10.7 |
| More than 43.5 | 10.7 | 10.7 | 9.8 |
| More than 37 | 10.7 | 9.8 | 9.8 |
| Under 37 | 9.8 | 9.8 | 9.8 |
| Minimum width of road (ft) | |||
|---|---|---|---|
| Urban area | Compact car road | ||
| 11.5 | 11.5 | 10.7 | |
| Design speed (mph) | |||
| More than 50 | 11.5 | 10.7 | 10.7 |
| More than 43.5 | 10.7 | 10.7 | 9.8 |
| More than 37 | 10.7 | 9.8 | 9.8 |
| Under 37 | 9.8 | 9.8 | 9.8 |
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