Wikipedia:WikiProject U.S. Roads/Alabama/Unsigned routes
Some of these may be signed. There may be differences near cities or in other limited areas, where the U.S. Route takes the bypass and the State Route doesn't (for instance). A few State Routes don't quite go to the border, where the U.S. Route uses an Interstate to the border.
- US 72, Mississippi to Tennessee
- US 31, SR 16/SR 42 (US 90/US 98) to Tennessee
- US 78, Mississippi to Georgia
Note: part of US 78 west of Montgomery is temporarily SR 5
- US 82, Mississippi to Georgia
- US 11, Mississippi to Georgia
- US 80, Mississippi to Georgia
- US 331, Florida to SR 6/SR 8/SR 21 (US 80/US 82) Montgomery
- Separate, SR 6/SR 8/SR 21 (US 80/US 82) Montgomery to Georgia
- US 84, Mississippi to Georgia
- US 43, SR 16 (US 90) Mobile to SR 18 (US 43)
- Separate here; US 43 uses SR 18, SR 171, and SR 17, all of which have separate sections
- US 43, SR 17 (US 43) to Tennessee
- US 29, SR 3/SR 41 (US 31) Brewton to Georgia
- US 90, Mississippi to Florida
- US 45, SR 42 (US 98) to SR 57 (US 45)
- Separate (except for a bit of US 43), SR 57 (US 45) to Tennessee
- Separate, Tennessee to SR 2 (US 43/US 72) Muscle Shoals
- US 72 Alt., SR 2 (US 43/US 72) Muscle Shoals to I-65/I-565 (US 72 Alt.)
- Separate, SR 5 to SR 4/SR 25 (US 78/US 411) Leeds
- US 411, SR 4/SR 25 (US 78) Leeds to Georgia
- US 280, SR 3 (US 31) Birmingham to Georgia
- US 98, Mississippi to Florida
- Separate, Florida to SR 1 (US 431) Dothan
- US 231, SR 1 (US 431) Dothan to SR 1 (US 431) Huntsville
- Separate, SR 1 (US 231/US 431) Huntsville to I-65 (US 31)
- US 45, SR 17 (US 45) to Mississippi
- Separate, SR 4 (US 78) to SR 17 (US 43/US 278) Hamilton (short)
- US 278, SR 17 (US 43/US 278) Hamilton to Georgia
- US 29, Florida to SR 3 (US 29/US 31) Flomaton
- Separate, SR 3 (US 29/US 31) Flomaton to I-65
- US 278, Mississippi to SR 142/SR 171 (US 43/US 278) Guin
- Separate, SR 142/SR 171 (US 43/US 278) Guin to SR 69 Jasper