State Route 21 (SR 21) is a 279-mile (449 km) state highway that extends from the Florida state line, near Atmore in Escambia County to Piedmont in Calhoun County. The route travels almost the entire length of the state from the northeast to the southwest. It is the longest signed state route in Alabama.
View north from the south end of SR 21
A sign denoting Alabama State Route 21, located in Talladega.
Atmore is a city in Escambia County, Alabama, United States. The population was 8,391 at the 2020 census. It was incorporated on May 9, 1907.
Former Atmore Amtrak station
Atmore City Hall
Atmore Fire Department
Main Street Atmore