| ROAD TYPE | LOCK LEVEL |
|---|---|
| Freeway | 4 |
| Ramp | 4 |
| Major Highway | 4 |
| Minor Highway | 3 |
| Primary Street | 2 |
| All Others | 1 |
Actual locks used may be more or less than values in the table below, depending on area circumstance
Please consult RC, SM, or appropriate AM for guidance
| Segment Type | Urban | Rural | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Freeway | 5 | ||||||||||
| Ramp | Highest rank of connected segment | ||||||||||
| Major Highway | 4 | 3 | |||||||||
| Minor Highway | 3 | 2 | |||||||||
| Primary Street | 2 | 1 | |||||||||
| Street | 1 | ||||||||||
| |-|-|-|-|-|-|-|-|-| Railroad |-|-|-|-|-|-|-|-|-| | 2 | ||||||||||
| • • • • Ferry • • • • | 5 | ||||||||||