The Air Line Railroad Company of South Carolina was chartered as a South Carolina railroad that was to have served the Southeastern United States, beginning in the mid-19th century.

The Air Line was created by an act of the South Carolina General Assembly

South Carolina General Assembly

The South Carolina General Assembly, also called the South Carolina Legislature, is the state legislature of the U.S. state of South Carolina. The legislature is bicameral and consists of the lower South Carolina House of Representatives and the upper South Carolina Senate. Altogether, the General...

 in 1856, with the goal of laying a line toward Georgia to the west and "some point of connection with the Charlotte and South Carolina Railroad

Charlotte and South Carolina Railroad

The Charlotte and South Carolina Railroad began in 1852 and existed until 1869, when it was absorbed by Charlotte, Columbia and Augusta Railroad...

, in the direction of Charlotte, North Carolina

Charlotte, North Carolina

Charlotte is the largest city in the U.S. state of North Carolina and the seat of Mecklenburg County. In 2010, Charlotte's population according to the US Census Bureau was 731,424, making it the 17th largest city in the United States based on population. The Charlotte metropolitan area had a 2009...

," in the east.

However, that didn't happen because the Air Line Railroad never laid any track.

In June 1870, the Air Line Railroad Company of South Carolina and the Georgia Air Line Railroad

Georgia Air Line Railroad

The Georgia Air Line Railroad was chartered as a railroad company designed to serve the Southeastern United States, beginning in the mid-19th century....

 were joined together by the Richmond and Danville Railroad

Richmond and Danville Railroad

The Richmond and Danville Railroad was chartered in Virginia in the United States in 1847. The portion between Richmond and Danville, Virginia was completed in 1856...

 to form the Atlanta and Richmond Air Line Railway.