Proposed System - All Routes
| Number | Length (mi) | Scope | Action | Remarks | Orig. |
|---|---|---|---|---|---|
| 1 | 431 | Cross-State | Retained | Minor realignment, particularly through cities. | 1 |
| 2 | 180 | North LA | Retained | 2 | |
| 3 | 256 | Cross-State | Reconfigured | Highway across west Louisiana. Major extension southward to the coast. | 3 |
| 4 | 161 | North LA | Retained | Some reconfiguration. | 4 |
| 5 | 257 | Cross-State | Reassigned | Southwest to northeast. | 5 |
| 6 | 53.6 | Northwest LA | Retained | 6 | |
| 7 | 154 | Cross-State | Reassigned | 7 | |
| 75 | 0 | Available | 75 | ||
| 8 | 40.4 | Central LA | Retained | Truncate to stretch between Colfax and Jena. | 8 |
| 9 | 108 | Northcentral LA | Reassigned | Shift eastward consuming LA 33. | 9 |
| 10 | 250 | South LA | Retained | Some change in route. | 10 |
| 11 | 24.7 | Acadiana | Reassigned | Decommissioned US 167 from Abbeville to Lafayette. Louisiana Ave. in Lafayette. | 11 |
| 12 | 121 | South LA | Retained | Extend over decommissioned US 190 to US 71. | 12 |
| 13 | 76 | Acadiana | Retained | Will grow somewhat consuming part of decommissioned US 167. | 13 |
| 14 | 98 | South LA | Retained | 14 | |
| 149 | 2.5 | Grambling | Retained | Serves Grambling State University. | 149 |
| 15 | 97 | Northcentral LA | Reconfigured | Connects Farmerville, Monroe and Winnsboro. South of US 425 truncated. | 15 |
| 16 | 158 | South LA | Reconfigured | Reroute and extend south, absorbing LA 70 and the Sunshine Bridge. | 16 |
| 17 | 65.6 | Northeast LA | Retained | Reroute away from Winnsboro down LA 578 to LA 4. Terminus at rerouted LA 4. | 17 |
| 18 | 104 | Northeast LA | Reassigned | Bypass of Shreveport, Bossier City, Minden and Ruston. LA 526, 612, 157, 614 and parts of US 80. | 18 |
| 185 | 2 | Bossier City | Retained | Access road to Barksdale AFB. | 185 |
| 19 | 33.4 | Florida Parishes | Retained | 19 | |
| 20 | 58 | Southcentral LA | Reconfigured | Western and eastern extensions. | 20 |
| 21 | 50.3 | Southeast LA | Retained | 21 | |
| 22 | 101 | Florida Parishes | Reconfigured | West: Reroute north and consume LA 42. Forms a commuter route from suburban Ascension Parish into Baton Rouge south and LSU. East: Consume US 190 from Mandeville to Slidell. | 22 |





