The Charleston Northern Railway was a railroad that operated in South Carolina in the early part of the 20th century.

In 1914, the Charleston Northern, South Carolina Western Railway

South Carolina Western Railway

The South Carolina Western Railway was a Southeastern railroad that operated in the early 20th century.The South Carolina Western Railway was chartered by the South Carolina General Assembly in 1910. It built a 38-mile line from McBee, South Carolina, east to Florence, South Carolina in 1911...

, and South Carolina Western Extension Railway

South Carolina Western Extension Railway

The South Carolina Western Extension Railway was a South Carolina railroad that was begun in the early part of the 20th century.The South Carolina Western Extension Railway was chartered by the South Carolina General Assembly in 1913...

 were merged into the North and South Carolina Railway

North and South Carolina Railway

The North and South Carolina Railway was a Southeastern railroad that operated in the Carolinas in the early part of the 20th century.The North and South Carolina Railway Company was chartered by the South Carolina General Assembly in 1908.In 1911, the North and South Carolina Railway Company and...

. The name of the consolidated railroad company was then changed to the Carolina, Atlantic and Western Railway

Carolina, Atlantic and Western Railway

The Carolina, Atlantic and Western Railway was a South Carolina railroad that operated in the early part of th 20th century.The Carolina, Atlantic and Western was created in 1914 when the South Carolina Western Railway, the South Carolina Western Extension Railway and the Charleston Northern...

.

The following year, the line's name was changed to the Seaboard Air Line Railway Company.