LA 18
| Ordinal | 0018 |
|---|---|
| Scope | River Parishes |
Mississippi River road from Donaldsonville to westbank New Orleans.
Segments
| Route | Scope | Function | Proposal |
|---|---|---|---|
| LA 18 from LA 541 to LA 466 | | Mississippi River Road W. | ||
| S2179 / LA 18 west of US 90 | River Parishes | Parish | Mississippi River Road W. | |
| S2180 / LA 18 / 4th St. | Marrero | City/Town | | |
| S2181 / LA 18 / 4th St. | Harvey | City/Town | |





