U.S. Route 431 in Alabama

U.S. Route 431 (US 431), internally designated by the Alabama Department of Transportation (ALDOT) as State Route 1 (SR 1), is a major north–south state highway across the eastern part of the U.S. state of Alabama. Although US 431's south end is in Dothan, SR 1 continues south for about 13 miles (21 km) along US 231 to the Florida state line.

U.S. Route 431

State Route 1
US 431 highlighted in red
Route information
Maintained by ALDOT
Length352.958 mi (568.031 km)
ExistedJanuary 1954–present
Major junctions
South end

US 231 / US 231 Bus. / US 431 Bus. / SR 1 / SR 210 in Dothan
Major intersections
North end US 231 / US 431 at the Tennessee state line
Location
CountryUnited States
StateAlabama
CountiesHouston, Henry, Barbour, Russell, Lee, Chambers, Randolph, Cleburne, Calhoun, Etowah, Marshall, Madison
Highway system
  • Alabama State Highway System
I-422 I-459
SR 959SR 1 SR 2
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