Below is a list of railroads that were bought, leased, or in other ways had their track come under ownership or control by the Seaboard Air Line Railroad or one of its predecessors.

The Seaboard Air Line Railroad merged with the Atlantic Coast Line Railroad on July 1, 1967, to form the Seaboard Coast Line Railroad.

Predecessor lines

thumb|right|150px|Map of CSX's "A" and "S" lines, inherited from predecessors [[Atlantic Coast Line Railroad|ACL and SAL, respectively.]]

The Seaboard main line from Richmond to Tampa, heart of its 2600-mile system in 1900, (today mostly CSX's "S" Line), had been built by the following companies:

  • Richmond, Petersburg and Carolina Railroad, Richmond, Virginia to Norlina, North Carolina (the immediate predecessor of the SAL)
  • Raleigh and Gaston Railroad, Norlina to Raleigh, North Carolina
  • Raleigh and Augusta Air-Line Railroad, Raleigh to Hamlet, North Carolina
  • Palmetto Railroad, Hamlet to Cheraw, South Carolina
  • Chesterfield and Kershaw Railroad, Cheraw to Camden, South Carolina
  • Predecessors of the Florida Central and Peninsular Railroad:
  • South Bound Railroad, Camden to Savannah, Georgia
  • Florida Central and Peninsular Railroad Northern Division, Savannah to Georgia/Florida state line
  • Florida Northern Railroad, state line to Yulee, Florida
  • Fernandina and Jacksonville Railroad, Yulee to Jacksonville, Florida
  • Florida, Atlantic and Gulf Central Railroad, Jacksonville to Baldwin, Florida
  • Florida Railroad, Yulee to Baldwin to Waldo, Florida
  • Florida Transit and Peninsular Railroad Tampa Division, Waldo to Tampa, Florida

Acquired lines

In the first decades of the 20th century, Seaboard expanded its holdings by acquiring the following lines, some of which were created by the Seaboard to construct new lines it wished to have.

Acquired by purchase:

  • Florida Central and Peninsular Railroad, 1903
  • Tallahassee, Perry and Southeastern Railway, 1909
  • Atlanta and Birmingham Air Line Railway, 1909
  • Atlantic, Suwannee River and Gulf Railway, 1909
  • Florida West Shore Railway, 1909
  • Plant City, Arcadia and Gulf Railroad, 1909
  • Tampa Terminal Railroad, 1922
  • Jacksonville, Gainesville and Gulf Railroad, 1927

Acquired by lease:

  • Kissimmee River Railway, 1917
  • Brooksville and Inverness Railway, 1925
  • Tampa Northern Railroad, 1925
  • Charlotte Harbor and Gulf Coast Railway, 1925
  • Seaboard-All Florida Railway, 1925
  • Naples, Seaboard and Gulf Railway, 1925
  • Tampa and Gulf Coast Railroad, 1927
  • Georgia, Florida and Alabama Railroad, 1928
  • Northern Railway of Florida, 1928

==Seaboard Air Line Railway== <!-- several distinct copies in family tree, grouping together for this -->

American Agricultural and Chemical Company

Athens Terminal Company

Atlanta and Birmingham Air Line Railway

  • Chattahoochee Terminal Railway
  • East and West Railroad
  • Birmingham and Atlanta Air Line Railway
  • East and West Railroad of Alabama
  • Cherokee Iron Company
  • Cherokee Iron and Railroad Company
  • Cherokee Railroad
  • Cartersville and Van Wert Railroad
  • Tredegar Mineral Railway

Atlantic, Suwannee River and Gulf Railway

  • Atlantic, Suwannee River and Gulf Railroad
  • Starke and Sampson City Railroad

Brooksville and Inverness Railway

Carolina, Atlantic and Western Railway

  • Charleston Southern Railway
  • Georgetown and Western Railroad
  • Georgetown and Lane's Railroad
  • Pee Dee Bridge Company
  • North and South Carolina Railway
  • Charleston Northern Railway
  • North and South Carolina Railway <!-- twice in tree, once per state -->
  • South Carolina Western Railway
  • South Carolina Western Extension Railway

Carolina Central Railroad

  • Carolina Central Railway
  • Wilmington, Charlotte and Rutherford Railroad
  • Wilmington and Charlotte Railroad

Catawba Valley Railway

Central Railway of Georgia (Lyons Branch only)

Charlotte Harbor and Northern Railway

  • Alafia, Manatee, and Gulf Coast Railroad

Charlotte, Monroe and Columbia Railroad

Chesterfield and Kershaw Railroad

Chesterfield and Lancaster Railroad

===Columbus Railroad=== <!-- strange dashed box in tree -->

  • Brush Electric Light and Power Company

Durham and Northern Railway

===Florida Central and Peninsular Railroad=== <!-- plus a copy below in tree -->

  • East Florida and Atlantic Railroad
  • Orlando and Winter Park Railway
  • Orlando and Lake Jesup Railway
  • Fernandina and Amelia Beach Railway
  • Florida Railway and Navigation Company
  • Fernandina and Jacksonville Railroad
  • Florida Central and Western Railroad
  • Florida Central Railroad
  • Florida, Atlantic and Gulf Central Railroad
  • Jacksonville, Pensacola and Mobile Railroad
  • Pensacola and Georgia Railroad
  • Tallahassee Railroad
  • Florida, Atlantic and Gulf Central Railroad (operated)
  • Florida, Peninsula and Jacksonville Railroad
  • Florida Transit and Peninsular Railroad
  • Florida Transit Railroad
  • Atlantic, Gulf and West India Transit Company
  • Florida Railroad <!-- and again right underneath in tree -->
  • Peninsular Railroad
  • Tropical Florida Railroad
  • Jacksonville and Mobile Railroad
  • Leesburg and Indian River Railroad
  • Florida Northern Railroad
  • Jacksonville Belt Railroad
  • Santa Fe Canal Company
  • Tavares, Orlando and Atlantic Railroad

Florida, Peninsular and Gulf Railroad

  • Arcadia, Gulf Coast and Lakeland Railroad

Florida West Shore Railway

  • United States & West Indies Railroad and Steamship Company

Gainesville Midland Railroad (bought by Seaboard in 1959)

  • Gainesville, Jefferson and Southern Railroad
  • Walton Railroad
  • Gainesville Midland Railway
  • Gainesville and North Western Railroad
  • Greene County Railroad
  • Bostwick Railroad

===Georgia and Alabama Railway=== <!-- also listed twice underneath in family tree -->

  • Abbeville and Waycross Railroad
  • Albany and Florida Railroad
  • Albany, Florida and Northern Railroad
  • Columbus and Southern Railroad
  • Columbus Southern Railway
  • Columbus and Florida Railway
  • Georgia and Alabama Terminal Company
  • Savannah, Americus and Montgomery Railway
  • Americus, Preston and Lumpkin Railroad
  • Montgomery & West Point Railroad

===Georgia, Carolina and Northern Railway=== <!-- and 3 copies underneath in tree -->

  • Chester, Greenwood and Abbeville Railroad

Georgia, Florida and Alabama Railroad (gained control in 1928)

  • Carrabelle, Tallahassee and Georgia Railroad
  • Georgia, Florida and Alabama Railway
  • Georgia Pine Railway

Kissimmee River Railway

Loganville and Lawrenceville Railroad

Macon, Dublin and Savannah Railroad

McRae Terminal Railway

Oxford and Coast Line Railroad

Line from Dickerson to Oxford, NC

Palmetto Railway

  • Palmetto Railroad

Plant City, Arcadia and Gulf Railway

  • Warnell Lumber and Veneer Company
  • Plant City and Arcadia Railroad

Raleigh and Augusta Air Line Railroad

  • Chatham Railroad
  • Pittsboro Railroad

===Raleigh and Charleston Railroad=== <!-- no suffix in family tree -->

  • Carolina Northern Railroad <!-- no suffix in family tree -->

===Raleigh and Gaston Railroad=== <!-- also listed below itself in tree -->

  • Louisburg Railroad

Richmond, Petersburg and Carolina Railroad

  • Virginia and Carolina Railroad

Roanoke and Tar River Railroad

Seaboard Air Line Belt Railroad

Seaboard-All Florida Railway

  • East and West Coast Railway
  • Florida Western and Northern Railroad
  • Naples, Seaboard, and Gulf Railway

===Seaboard and Roanoke Railroad=== <!-- and two copies below in tree -->

  • Roanoke Railroad
  • Portsmouth and Roanoke Railroad

South Bound Railroad

Tallahassee, Perry and Southeastern Railway

  • Tallahassee Southeastern Railway
  • Florida, Georgia and Western Railway

Tampa Terminal Company

Tavares and Gulf Railroad (bought 1926)

  • Tavares, Apopka and Gulf Railroad

See also

  • List of Atlantic Coast Line Railroad precursors
  • Seaboard System family tree (PDF)