The Capital Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland and the District of Columbia. The line runs from near Baltimore, Maryland, southwest to Washington, D.C., along the former Baltimore and Ohio Rail Road (B&O) Washington Branch. The subdivision's Alexandria Extension provides a connection to Virginia and points south.
The Niagara Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of New York. The line runs from Buffalo north and west to Niagara Falls along former New York Central Railroad and Lehigh Valley Railroad lines. Its south end is at the Buffalo Terminal Subdivision; its north end is just east of the Canada–US border at Whirlpool Bridge, at the CSX Transportation Niagara Falls Yard. It junctions the Belt Subdivision in Buffalo and the Lockport Subdivision east of Niagara Falls.
The Lake Shore Subdivision is a railroad line owned by CSX Transportation in the U.S. states of New York and Pennsylvania. The line runs from Buffalo, New York, southwest along the shore of Lake Erie to Erie, Pennsylvania, along the former New York Central Railroad main line.
The Wilmington and Weldon Railroad (W&W) name began use in 1855, having been originally chartered as the Wilmington and Raleigh Railroad in 1834. At the time of its 1840 completion, the line was the longest railroad in the world with 161.5 miles (259.9 km) of track. It was constructed in 4 ft 8 in gauge. At its terminus in Weldon, North Carolina, it connected with the Seaboard and Roanoke Railroad and the Petersburg Railroad. The railroad also gave rise to the city of Goldsboro, North Carolina, the midpoint of the W&W RR and the railroad intersection with the North Carolina Railroad.
The Columbia, Newberry and Laurens Railroad was a 75-mile (121 km) railroad line between Columbia and Laurens.
The Cumberland Valley Subdivision is a railroad line owned and operated by the CSX Railroad in the U.S. states of Kentucky and Virginia. The line runs from Corbin, Kentucky, east to Big Stone Gap, Virginia, along a former Louisville and Nashville Railroad line.
The Indianapolis Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Ohio and Indiana. The line runs from Hamilton, Ohio, west to Indianapolis, Indiana, along a former Baltimore and Ohio Railroad line.
The Port Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Selkirk north to Albany along a former New York Central Railroad line. At its south end, the Port Subdivision junctions with the Castleton Subdivision and River Subdivision; its north end is at the Port of Albany, served by the Albany Port Railroad.
The Pittsburgh Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Pennsylvania. The line runs from McKeesport northwest through Pittsburgh to West Pittsburg along a former Pittsburgh and Lake Erie Railroad line. Its east end is at Sinns, across the Youghiogheny River from McKeesport at Liberty, at the west end of the Keystone Subdivision. It junctions with the Mon Subdivision at McKeesport and the P&W Subdivision in Rankin; at its west end it becomes the New Castle Terminal Subdivision.
The Montreal Subdivision is a railroad line owned by the St. Lawrence and Adirondack Railway and Canadian National. Operations are currently by Canadian National. The line originally ran from Massena, New York, northeast to Kahnawake, Quebec, along a former New York Central Railroad line. At its south end, the St. Lawrence Subdivision continues south; its north end was at Adirondack Junction, a junction with the Canadian Pacific Railway's Adirondack Subdivision, along which it had trackage rights north over the Saint-Laurent Railway Bridge into Montreal.
The St. Lawrence Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Syracuse, New York, north to Massena, New York, along a former New York Central Railroad line. At its south end, it meets the Syracuse Terminal Subdivision; its north end is at the south end of the Montreal Subdivision. Along the way it junctions with the Fulton Subdivision at Woodard, New York,.
The Central Railroad of South Carolina was a South Carolina railroad that operated following Reconstruction. It ran between the town of Lane and Sumter, a distance of about 40 miles (64 km). The line is in service today as CSX's Lane Subdivision.
The Fulton Subdivision is a railroad line owned by Canadian National in the U.S. State of New York. The line runs from Liverpool, New York, north to Oswego, New York. At its south end the line branches off of the St. Lawrence Subdivision.
The Alleghany Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Virginia and West Virginia. It was formerly part of the CSX Huntington East Division. It became part of the CSX Florence Division on June 20, 2016. The line runs from Clifton Forge, Virginia, to Hinton, West Virginia, for a total of 78.6 miles (126.5 km). At its north end it continues south from the James River Subdivision and at its south end it continues south as the New River Subdivision.
The Augusta Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Georgia and South Carolina. The line runs from Augusta, Georgia, to Yemassee, South Carolina, for a total of 87.7 miles (141.1 km). At its north end it continues south from the McCormick Subdivision and at its south end it continues south as the Charleston Subdivision.
The Columbia Subdivision is a railroad line owned by CSX Transportation in South Carolina and Georgia. The line runs along CSX's S Line from Columbia, South Carolina, to Savannah, Georgia, for a total of 137.9 miles (221.9 km). At its north end it continues south from the Hamlet Subdivision and at its south end it continues south as the Savannah Subdivision of the Jacksonville Division.
The Eastover Subdivision is a railroad line owned by CSX Transportation in the U.S. State of South Carolina. The line runs from Sumter, South Carolina, to Columbia, South Carolina, for a total of 42.4 miles (68.2 km). There is also a main track spur just north of Eastover to Dominion Energy's Wateree power plant. At the Eastover Subs north end it continues eastward on the Lane Subdivision and at its south end it continues west as the Columbia Subdivision.
The Hamlet Subdivision is a railroad line owned by CSX Transportation in North Carolina and South Carolina. The line runs from Hamlet, North Carolina, to Columbia, South Carolina, for a total of 105.2 miles. At its north end it continues south from the Hamlet Terminal Subdivision and at its south end it continues south as the Columbia Subdivision.
The New River Subdivision is a railroad line owned by CSX Transportation in the U.S. state of West Virginia. It was formerly part of the CSX Huntington East Division. It became part of the CSX Florence Division on June 20, 2016.
The Nashville Subdivision is a railroad line owned by CSX Transportation in the U.S. state of Tennessee. The line runs from Brentwood, Tennessee, to Columbia, Tennessee, for a total of 30.8 miles. At its north end the line continues south from the Nashville Terminal Subdivision and at its south end it continues south as the Tennessee Southern Railroad.
