To the main page Back Forward | Route | From | To | Dates | Now |
| 521 | Greenwood | Alabama state line S of Sealys Hot Well | 1939- | |
| 522 | Greenwood | Haywood's Landing | 1939- | |
| 523 | Greenwood | Jct SR 6 and SR 20 | 1939- | |
| 524 | Gonzalez | SR 7 near Tate Agricultural School | 1939- | |
| 525 | Campbellton | Bonifay | 1939- | |
| 526 | Inverness | Inverness | 1939- | |
| 527 | E of Lorida | SR 349 | 1939-1945 | 621 |
| 528 | Venus | "Federal Highway No. 19" (This became US 27 -RVD) |
1939-1945 | 731 |
| 529 | SR 8 N of Sebring | Lorida | 1939- | |
| 530 | Green Cove Springs | Bostwick Station | 1939-1945 | 209 |
| 531 | SR 5 | SR 13 S of Gainesville | 1939- | |
| 532 | Chumuckla Springs | Oak Grove | 1939- | |
| 533 | Pensacola | SR 1 | 1939- | |
| 534 | W end Venice Ave | SR 181 | 1939-1945 | 776 |
| Known as Peninsular Key Rd. | ||||
| 535 | Olive | Ferry Pass | 1939-1945 | 290 |
| 536 | Pensacola | Pensacola Municipal Airrport | 1939- | |
| 537 | Easley | SR 1A | 1939-1945 | 10 |
| Knowwn as Nine Mile Rd. | ||||
| 538 | Cantonment | Muscogee | 1939- | |
| 539 | SR 6 N of Gaskin's siding | SR 97 N of Barfield | 1939-1945 | 275 |
| 539-A | Red Oak | Leanord's Siding | 1939- | |
| "Optional Route A" | ||||
| 539-B | Chipola | 1939- | ||
| "Optional Route B" | ||||
| 539-C | Sunshine Farm | Athla-Chason Rd | 1939- | |
| "Optional Route C" | ||||
| 540 | SR 6 | SR 126 | 1939- | |