The Big Sandy Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Kentucky. The line runs from Catlettsburg south to Elkhorn City along a former Chesapeake and Ohio Railway line.
The Mountain Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Maryland and West Virginia. The line runs from Cumberland, Maryland, west to Grafton, West Virginia, along the original Baltimore and Ohio Rail Road (B&O) main line. It was known as the West End Subdivision until the B&O's absorption into the Chessie System, and included the B&O's original crossing of the Allegheny Mountains. Through CSX traffic to the west from Cumberland now uses the Keystone Subdivision over Sand Patch Grade.
The Bridgeport Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of West Virginia. The line runs from Grafton west to Clarksburg along a former Baltimore and Ohio Rail Road line. At its east end, the Bridgeport Subdivision becomes the Mountain Subdivision; its west end is at the Short Line Subdivision.
The Short Line Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of West Virginia. The line runs from Clarksburg west to New Martinsville along a former Baltimore and Ohio Rail Road line. Its east end is at the west end of the Bridgeport Subdivision; its west end is at the Ohio River 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. 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 Big Marsh Fork 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. At its south end it continues north from the Big Coal Subdivision and at its north end the track comes to an end.
The Coal 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 line runs from Sharples, West Virginia, to St. Albans, West Virginia, for a total of 50.6 miles. At its north end it continues south from the Beech Creek Industrial Track and at its south end it continues south as the Kanawha Subdivision.
The G&E 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 line runs from Rainelle, West Virginia, to Peaser Junction for a total of 14.2 miles. At its south end it intersects with the Sewell Valley Subdivision and at its north end the main track ends.
The Gauley Subdivision is a railroad line owned by CSX Transportation in the U.S. states of West Virginia and 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 Gauley, West Virginia, to Fola, West Virginia, for a total of 22.0 miles. At its east end the line continues west from the New River Subdivision and at its west end the track comes to an end.
The Island Creek Subdivision is a railroad line owned by CSX Transportation in the U.S. state of West Virginia. The line runs from Logan, West Virginia, to Scarlet, West Virginia, for a total of 10.6 miles. At its east end the line continues west from the Logan Subdivision and at its west end the line comes to an end.
The Kanawha Subdivision is a railroad line owned by CSX Transportation in the U.S. states of West Virginia and Kentucky. 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 Montgomery, West Virginia, to Russell, Kentucky, for a total of 94.7 miles (152.4 km). At its east end it continues west from the New River Subdivision and at its west end it continues west as the Russell Terminal Subdivision of the Louisville Division.
The Logan 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 line runs from Barboursville, West Virginia, to Gilbert, West Virginia, for a total of 87.2 miles. At its north end the line continues south from the Kanawha Subdivision and at its south end the line connects with Norfolk Southern.
The Logan & Southern 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 line runs from Logan, West Virginia, to Sarah Ann, West Virginia, for a total of 11.7 miles. At its north end it continues south from the Island Creek Subdivision and at its south end the line comes to an end.
The Laurel Fork 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 line is wholly located in Clothier, West Virginia, for a total of 9.0 miles. At its west end it continues east from the Coal River Subdivision and at its east end the line comes to an end.
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 line runs from Hinton, West Virginia, to Montgomery, West Virginia, for a total of 72.9 miles. At its south end it continues north from the Alleghany Subdivision and at its north end it continues north as the Kanawha Subdivision.
The Pine Creek 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 line runs in Omar, West Virginia, for a total of 6.0 miles. At its east end it branches off of the Logan and Southern Subdivision and at its west end the line comes to an end.
The Sewell Valley 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 line runs from Meadow Creek, West Virginia, to Nallen, West Virginia, for a total of 43.6 miles. At its south end the line wye's off of the New River Subdivision and at its north end the track comes to an end.
The Seth 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 line runs from Seth, West Virginia, to Prenter, West Virginia, for a total of 10.2 miles. At its north end the line wye's off of the Big Coal Subdivision and at its south end the track comes to an end.
The West Fork 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 line runs from Van, West Virginia, to Twilight, West Virginia, for a total of 8.5 miles. At its north end the line continues south from the Pond Fork Subdivision and at its south end the track comes to an end.
The Thomas Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Maryland and West Virginia. The line runs from Rawlings, Maryland, to Bayard, West Virginia, for a total of 44.2 miles. At its east end the line continues west from the Mountain Subdivision and at its west end the line comes to an end.
