LA 31
| Ordinal | 0031 |
|---|---|
| Scope | Acadiana |
Rural route along the Bayou Teche. Retain. Reroute north of Arnaudville to Port Barre.
Segments
| Route | Scope | Function | Proposal |
|---|---|---|---|
| S742 / LA 31 / LA 742 / Creswell Ln. | St. Landry Parish | Rural Route | Parish | Parish A42. |
| S2225 / LA 31 / Chestnut St. | New Iberia | State | LA 31. | |
| S2226 / LA 31 / Jane St. | New Iberia to Cecilia | State | LA 31. | |
| S2227 / LA 31 / Main Hwy. | Cecilia to Arnaudville | State | LA 31. | |
| S2228 / LA 31 / Market Rd. | Arnaudville to Leonville | River route | Parish | River Road 11. |
| S2229 / LA 31 | Leonville to Opelousas | Rural Route | Parish | River Road 11. |





