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 former subdivision of a railroad line owned by CSX Transportation in the U.S. states of New York and Pennsylvania.
The Erie West Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Pennsylvania and Ohio. The line runs from Derby, New York southwest along the shore of Lake Erie to Cleveland, Ohio, along the former New York Central Railroad main line.
The Cleveland Terminal Subdivision is a railroad line owned by CSX Transportation in the U.S. state of Ohio. The line runs from a point northeast of downtown Cleveland southwest to downtown along the former New York Central Railroad main line.
The Philadelphia Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Pennsylvania, Delaware, and Maryland. The line runs from Philadelphia, Pennsylvania, southwest to Baltimore, Maryland, along a former Baltimore and Ohio Railroad (B&O) line.
The S&C Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Pennsylvania. The line runs from the Keystone Subdivision at Rockwood north to Johnstown along a former Baltimore and Ohio Railroad line, once the Somerset and Cambria Railroad.
The Boston Subdivision is a railroad line in the U.S. state of Massachusetts. The line runs from Back Bay Station in Boston west to Wilbraham, just east of Springfield. along a former New York Central Railroad line. The line connects with the Northeast Corridor at its east end and continues as the Berkshire Subdivision at its west end. Along the way, the line junctions with the Framingham Subdivision and Fitchburg Subdivision at Framingham.
The Schodack Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Stuyvesant north to Schodack along a former New York Central Railroad line. At its south end, it merges with the Hudson Subdivision; its north is at a junction with the Berkshire Subdivision, and the Castleton Subdivision at the east end of the Alfred H. Smith Memorial Bridge.
The Mohawk Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Amsterdam, NY west to Oneida, NY along the former New York Central Railroad main line. At its east end, east of downtown Amsterdam, the line becomes the Selkirk Subdivision. With the creation of the CSX Syracuse Terminal Subdivision, the west end is at Oneida, New York.
The Rochester Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Solvay, New York, west to Churchville, New York, along the former New York Central Railroad water level route. At its east end, west of downtown Syracuse, New York, the line continues west from the Syracuse Terminal Subdivision at Control Point (CP)-296. It intersects the West Shore Subdivision, which provides a southern bypass of Rochester, at Fairport (CP-359) and Churchville (CP-382). At its west end in Churchville the line becomes the Buffalo Terminal Subdivision.
The West Shore Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Fairport, CP-359, west to Churchville, CP-382, along the former West Shore Railroad mainline. Both of its ends are at the Rochester Subdivision, providing a southern bypass around the city of Rochester. Genesee Junction is located on the West Shore, where CSX interchanges with both the Livonia, Avon and Lakeville Railroad and the Rochester and Southern Railroad.
The Belt Subdivision is a railroad line owned by CSX Transportation in Buffalo, New York, U.S. The line connects the Buffalo Terminal Subdivision with the Niagara Subdivision along a former New York Central Railroad line.
The Pittsburgh Subdivision is an American railroad line that is owned and operated by CSX Transportation in the Commonwealth of Pennsylvania.
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 Baldwinsville Subdivision is a railroad line owned by CSX Transportation in the U.S. State of New York. The line runs from Syracuse, New York, northwest to Oswego, New York. It branches off the Fair Grounds Subdivision.
The Buffalo Terminal Subdivision is a railroad line owned by CSX Transportation in the U.S. State of New York. The line runs from Churchville, New York, to Hamburg, New York.
The Fair Grounds Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Syracuse, New York, to Liverpool, New York. At its south end it leaves the newly created Syracuse Terminal Subdivision and at its north end it connects with the Baldwinsville Subdivision.
The Syracuse Terminal Subdivision is a railroad line owned by CSX Transportation in the U.S. state of New York. The line runs from Oneida, New York, at its east end where it continues from the Mohawk Subdivision to Solvay, New York, at its west end where it continues as the Rochester Subdivision. In Syracuse, New York, the St. Lawrence Subdivision begins its run north.
The Coal Run Subdivision is a railroad line owned by CSX Transportation in the U.S. State of Kentucky. The line runs from Pikeville, Kentucky, to Kimper, Kentucky, for a total of 31.1 miles (50.1 km). At its west end the line continues east from the Big Sandy Subdivision and at its east end the line comes to an end. The Winns Branch branches off of the Coal Run Subdivision
