These highways in the U.S. state of Alabama are maintained by the Alabama Department of Transportation (ALDOT).

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.

It traveled through the eastern part of the state.