Mid-Atlantic Minimum Road Lock Standard
| Minimum Road Lock Standard | ||
|---|---|---|
| Segment Type | Direction | Lock |
| Freeway | 5 | |
| Ramp | 4 | |
| Major Highway | 4 | |
| Minor Highway | 3 | |
| Primary Street | One-way | 3 |
| Two-way | 2 | |
| Street Private Road |
One-way | 2 |
| Two-way | 1 | |
| |-|-|-|-|-|-|-|-|-| Railroad |-|-|-|-|-|-|-|-|-| | 2 | |
| • • • • Ferry • • • • | 5 | |
| ⁃ ⁃ ⁃ ⁃ ⁃ Runway ⁃ ⁃ ⁃ ⁃ ⁃ | 4 | |