# List of U.S. Highways in Alabama

The U.S. Highways in Alabama are the subset of the United States Numbered Highway System. These highways in the U.S. state of Alabama are maintained by the Alabama Department of Transportation (ALDOT). There are 19 U.S. Highways that travels through Alabama, totaling 3,852.85 miles (6,200.56 km). U.S. Route 31 (US 31) is the highway with the longest segment in Alabama, with 386.449 miles (621.929 km). The shortest is US 72 Alternate, crossing 68.3 miles (109.9 km) of North Alabama. One former U.S. Highway existed in Alabama: US 241. It traveled through the eastern part of the state. US 241 was replaced by US 280 and US 431 in 1954.

## List

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed |
| US 11 | 250.671 | 403.416 | US 11/US 80 at the Mississippi state line near Cuba | US 11 at the Georgia state line near Sulphur Springs | 01926-01-011926 | current |
| US 29 | 226.550 | 364.597 | US 29 at the Florida state line near Flomaton | US 29/SR 14 at the Georgia state line near Lanett | 01926-01-011926 | current |
| US 31 | 386.449 | 621.929 | US 90 in Spanish Fort | I-65/US 31 at the Tennessee state line near Ardmore | 01926-01-011926 | current |
| US 43 | 350.978 | 564.844 | US 90 in Prichard | US 43 at the Tennessee state line near Green Hill | 01934-01-011934 | current |
| US 45 | 59.181 | 95.243 | US 98 in Mobile | US 45 at the Mississippi state line near Yellow Pine | 01926-01-011926 | current |
| US 72 | 167.211 | 269.100 | US 72 at the Mississippi state line near Lime Kiln | US 72 at the Tennessee state line near Bridgeport | 01926-01-011926 | current |
| US 78 | 192.192 | 309.303 | US 78 at the Mississippi state line near Bexar | US 78/SR 8 at the Georgia state line near Muscadine | 01926-01-011926 | current |
| US 78N | 18 | 29 | US 78 and US 78S in Heflin | US 78N at the Georgia state line | 01926-01-011926 | 01933-01-011933 |
| US 78S | 23 | 37 | US 78 and US 78N in Heflin | US 78S at the Georgia state line | 01926-01-011926 | 01933-01-011933 |
| US 80 | 218.621 | 351.836 | US 11/US 80 at Mississippi state line near Cuba | US 80/SR 22 at the Chattahoochee River/Georgia state line in Phenix City | 01926-01-011926 | current |
| US 82 | 239.895 | 386.074 | US 82 at the Mississippi state line near Stafford | US 82/SR 50 at the Chattahoochee River/Georgia state line in Eufaula | 01934-01-011934 | current |
| US 84 | 231.682 | 372.856 | US 84 at the Mississippi state line near Isney | US 84/SR 38 at the Chattahoochee River/Georgia state line near Alaga | 01926-01-011926 | current |
| US 90 | 77.031 | 123.969 | US 90 at the Mississippi state line near Grand Bay | US 90 at the Perdido River/Florida state line near Seminole | 01926-01-011926 | current |
| US 98 | 80.248 | 129.147 | US 98 at the Mississippi state line near Wilmer | US 98 at the Perdido River/Florida state line near Lillian | 01955-01-011955 | current |
| US 231 | 331 | 533 | US 231 at the Florida state line near State Line | US 231/US 431 at the Tennessee state line near Fisk | 01926-01-011926 | current |
| US 241 | 359 | 578 | US 84/SR 52 in Dothan, Alabama | US 241 at the Tennessee state line near Fisk | 01930-01-011930 | 01954-01-011954 |
| US 278 | 199.162 | 320.520 | US 278 at the Mississippi state line near Sulligent | US 278/SR 6 at the Georgia state line near Palestine | 01951-01-011951 | current |
| US 280 | 141.256 | 227.329 | I-20/I-59/US 31 in Birmingham | US 280/SR 520 at the Chattahoochee River/Georgia state line in Phenix City | 01953-01-011953 | current |
| US 331 | 103 | 166 | US 331 at the Florida state line in Florala | US 80/US 82 in Montgomery | 01952-01-011952 | current |
| US 411 | 87.6 | 141.0 | US 78 in Leeds | US 411/SR 53 at the Georgia state line near Forney | 01934-01-011934 | current |
| US 431 | 341.824 | 550.112 | US 231 in Dothan | US 231/US 431 at the Tennessee state line near Fisk | 01953-01-011953 | current |
| Former ||||||||

## Special routes

| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
| US 11 Byp. | — | — | — | — | — | — | Served Tuscaloosa |
| US 11 Truck | — | — | — | — | — | — | Serves Birmingham |
| US 29 Truck | — | — | — | — | — | — | Serves Union Springs |
| US 31 Bus. | — | — | — | — | — | — | Served Montgomery |
| City US 31 | — | — | — | — | — | — | Served Montgomery |
| US 31 Truck | — | — | — | — | — | — | Served Montgomery |
| US 43 Alt. | — | — | Mobile | Chickasaw | — | — | |
| US 43 Bus. | — | — | — | — | — | — | Served Tuscumbia |
| US 72 Bus. | — | — | — | — | — | — | Served Tuscumbia |
| US 72 Alt. | 68.3 | 109.9 | US 72 south of Muscle Shoals | I-565/US 72 in Huntsville | — | — | |
| US 72 Bus. | — | — | — | — | — | — | Serves Athens |
| US 72 Bus. | — | — | — | — | — | — | Serves Scottsboro |
| US 78 Alt. | — | — | Hamilton | Graysville | — | — | |
| US 78 Alt. | — | — | Carbon Hill | Jasper | — | — | |
| US 78 Alt. | — | — | Birmingham | Irondale | — | — | |
| US 78 Bus. | — | — | — | — | — | — | Served Anniston |
| US 78 Alt. | — | — | Heflin | Alabama-Georgia state line | — | — | |
| US 80 Bus. | — | — | — | — | — | — | Serves Selma |
| US 80 Truck | — | — | — | — | — | — | Serves Selma |
| US 80 Bus. | — | — | — | — | — | — | Served Montgomery |
| US 82 Byp. | — | — | — | — | — | — | Served Tuscaloosa |
| US 82 Alt. | — | — | Montgomery | Prattville | — | — | |
| US 82 Bus. | — | — | — | — | — | — | Served Montgomery |
| US 82 Byp. | — | — | — | — | — | — | Served Montgomery |
| US 82 Byp. | — | — | — | — | — | — | Served Montgomery |
| City US 82 | — | — | — | — | — | — | Served Montgomery |
| US 82 Truck | — | — | — | — | — | — | Served Montgomery |
| US 84 Bus. | — | — | — | — | — | — | Serves Enterprise |
| US 84 Truck | — | — | — | — | — | — | Serves Enterprise |
| US 84 Bus. | — | — | — | — | — | — | Serves Dothan |
| US 90 Alt. | — | — | Prichard | Mobile | — | — | |
| US 90 Truck | — | — | — | — | — | — | Serves Mobile |
| US 98 Truck | — | — | — | — | — | — | Serves Mobile |
| US 98 Truck | — | — | — | — | — | — | Served Spanish Fort |
| US 98 Alt. | — | — | Fairhope | Barnwell | — | — | |
| US 231 Bus. | — | — | — | — | — | — | Serves Dothan |
| US 231 Bus. | — | — | — | — | — | — | Serves Ozark |
| US 231 Bus. | — | — | — | — | — | — | Served Montgomery |
| US 231 Alt. | — | — | Sylacauga | Pell City | — | — | |
| US 231 Bus. | — | — | — | — | — | — | Served Huntsville |
| US 278 Bus. | — | — | — | — | — | — | Served Piedmont |
| US 331 Alt. | — | — | Onycha | Opp | — | — | |
| US 411 Alt. | — | — | Centre | Alabama-Georgia state line | — | — | |
| US 411 Bus. | — | — | — | — | — | — | Serves Centre |
| Temp. US 411 | — | — | Centre | Alabama-Georgia state line | — | — | |
| US 431 Bus. | — | — | — | — | — | — | Serves Dothan |
| US 431 Byp. | — | — | — | — | — | — | Served Phenix City |
| US 431 Bus. | — | — | — | — | — | — | Served Anniston |
| US 431 Byp. | — | — | — | — | — | — | Serves Gadsden |