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. [1] The subdivision's Alexandria Extension provides a connection to Virginia and points south. [2] [3]
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The northeast end of the line is at Halethorpe, Maryland, (BAA 5.8) just north of the historic Thomas Viaduct, where it meets the Baltimore Terminal Subdivision and the Old Main Line Subdivision. Its southwest end is at the yard north of Washington Union Station, at a junction with the Metropolitan Subdivision and Amtrak's Northeast Corridor.
Between Elkridge and Laurel (BAA 21.7), the Capital Subdivision's rail alignment forms the border between Howard and Anne Arundel counties, having been built before Howard County was created from western Anne Arundel County in 1844.
MARC Train's Camden Line, descended from B&O commuter service between Baltimore and Washington, operates over the entire length of the main line.
In 1831, the Maryland General Assembly authorized the B&O to build a branch from their main line within eight miles (13 km) of Baltimore, to Washington, D.C. [4] As this line would take much business from the parallel turnpikes, especially the Washington and Baltimore Turnpike, the charter specifically allowed those companies to subscribe to the stock of the railroad. Construction began in July 1833, and the line opened on August 25, 1835, splitting from the B&O main line at Relay, roughly 7 miles (11 km) from Baltimore. [5] : 157
Notable structural features on the original line include the Thomas Viaduct, the first multi-span masonry railroad bridge in the United States, and the largest bridge in the country when it was completed in 1835; and the earliest example of an iron truss bridge designed by Wendel Bollman and installed at Savage. [5] : 361 [6]
The first B&O passenger station (1835–1851) was located west of the Capitol, at 2nd Street and Pennsylvania Avenue NW. In 1851, the New Jersey Avenue Station was built at a point slightly north of the Capitol, on New Jersey Avenue NW, in the area now called Union Station Plaza. Trains reached that location via the current location of West Virginia Avenue, street-running trackage on I Street NE and Delaware Avenue, and private right-of-way just south of the current location of Louisiana Avenue. When the Washington Terminal Company opened Washington Union Station in 1907, that alignment was changed to the current routing, partially using the former location of Delaware Avenue.
The Chesapeake and Ohio Railway acquired control of the B&O in 1962, and the B&O and C&O both became a subsidiaries of the Chessie System in 1973 (Along with the Western Maryland Railway). In 1980 the Chessie System merged with the Seaboard System to form CSX Corporation. In 1987 the CSX Corporation merged the B&O into the C&O, then, later that same year, merged the C&O into CSX Transportation (CSXT), [7] which now owns the line.
The Baltimore and Ohio Railroad was the first common carrier railroad and the oldest railroad in the United States. It operated as B&O from 1830 until 1987, when it was merged into the Chessie System; its lines are today controlled by CSX Transportation.
The Chesapeake and Ohio Railway was a Class I railroad formed in 1869 in Virginia from several smaller Virginia railroads begun in the 19th century. Led by industrialist Collis P. Huntington, it reached from Virginia's capital city of Richmond to the Ohio River by 1873, where the railroad town of Huntington, West Virginia, was named for him.
The Western Maryland Railway was an American Class I railroad (1852–1983) that operated in Maryland, West Virginia, and Pennsylvania. It was primarily a coal hauling and freight railroad, with a small passenger train operation.
The Old Main Line Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland. The line runs from Relay west to Point of Rocks, and was once the main line of the Baltimore and Ohio Railroad, one of the oldest rail lines in the United States. At its east end, it has junctions with the Capital Subdivision and the Baltimore Terminal Subdivision; its west end has a junction with the Metropolitan Subdivision.
The Baltimore Belt Line was constructed by the Baltimore and Ohio Railroad (B&O) in the early 1890s to connect the railroad's newly constructed line to Philadelphia and New York City/Jersey City with the rest of the railroad at Baltimore, Maryland. It included the Howard Street Tunnel, the Mount Royal Station for B&O's Royal Blue Line passenger trains, and the first mainline railroad electrification in the United States. CSX Transportation currently operates the line as part of its Baltimore Terminal Subdivision.
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 Railroad (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 Hanover Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Maryland and Pennsylvania. The line runs from Baltimore, Maryland, west to Hagerstown, Maryland, along several former Western Maryland Railway (WM) lines. It meets the Baltimore Terminal Subdivision at its east end, and the Lurgan Subdivision heads both north and west from its west end.
The Keystone Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Maryland and Pennsylvania. The line runs from Cumberland, Maryland, west to McKeesport, Pennsylvania, along a former Baltimore and Ohio Railroad (B&O) line. The line includes the well-known Sand Patch Grade over the Allegheny Mountains.
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 Metropolitan Subdivision is a railroad line owned and operated by CSX Transportation in Washington, D.C. and Maryland.The 53-mile line runs from Washington, D.C., northwest to Weverton, Maryland, along the former Metropolitan Branch of the Baltimore and Ohio Railroad.
The CSX Cumberland 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 Brunswick, Maryland, west to Cumberland, Maryland, along the old Baltimore and Ohio Rail Road (B&O) main line. At its east end, the Cumberland Subdivision becomes the Metropolitan Subdivision; at its west end at Cumberland, Maryland it becomes the Cumberland Terminal Subdivision. It meets the Shenandoah Subdivision at Harpers Ferry, West Virginia, and the Lurgan Subdivision in Cherry Run, West Virginia.
The CL&W Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Ohio. The line runs from a junction with the New Castle Subdivision at Sterling northwest to Lorain along a former Baltimore and Ohio Rail Road line. It junctions with the Cleveland Subdivision at Lester and the Greenwich Subdivision at Grafton.
The P&W Subdivision is a railroad line owned and operated by CSX Transportation, the Allegheny Valley Railroad (AVR), and the Buffalo and Pittsburgh Railroad (BPRR) in the U.S. state of Pennsylvania. The line runs from Rankin north through Pittsburgh to West Pittsburg along a former Baltimore and Ohio Railroad line, once the Pittsburgh and Western Railroad.
The Patterson Creek Cutoff is an abandoned railroad line built by the Baltimore and Ohio Railroad (B&O) in northern West Virginia and Western Maryland, that served trains running on the B&O "West End" line in the Cumberland, Maryland area. The cutoff route ran from McKenzie, Maryland to Patterson Creek, West Virginia, providing a bypass of the B&O rail yard in Cumberland for coal trains moving between Keyser, West Virginia and Brunswick, Maryland.
The B & O Railroad Potomac River Crossing is a 15-acre (6.1 ha) historic site where a set of railroad bridges, originally built by the Baltimore and Ohio Railroad, span the Potomac River between Sandy Hook, Maryland and Harpers Ferry, West Virginia. The site was added to the National Register of Historic Places on February 14, 1978, for its significance in commerce, engineering, industry, invention, and transportation.
The Landover Subdivision is a railroad line owned and operated by CSX Transportation. It runs from the Anacostia section of Washington, D.C., to Landover, Maryland, serving as a freight train bypass of Washington Union Station.
The Baltimore Terminal Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland. The line runs from Baltimore to Halethorpe along the original Baltimore and Ohio Railroad (B&O) line, one of the oldest rail lines in the United States and the first passenger railroad line. At its east (north) end, it connects with the Philadelphia Subdivision; its west (south) end has a junction with the Capital Subdivision and the Old Main Line Subdivision.
The RF&P Subdivision is a railroad line operated by CSX Transportation and jointly owned by CSX and Virginia. It runs from Washington, D.C., to Richmond, Virginia, over lines previously owned by the Pennsylvania Railroad and the Richmond, Fredericksburg and Potomac Railroad. The line's name pays homage to that railroad, which was a predecessor to the CSX.
"Mount Winans" is a mixed-use residential, commercial and industrial neighborhood in the southwestern area of the City of Baltimore in Maryland. Its north, south and east boundaries are marked by the various lines of track of the CSX Railroad. In addition, Hollins Ferry Road running to the south towards suburban Baltimore County in the southwest and further connecting with adjacent Anne Arundel County to the southeast, draws its western boundary.
The Cumberland Terminal Subdivision is a railroad line owned and operated by CSX Transportation in the Cumberland, Maryland area. The line centers on the Cumberland rail yard and is a junction with three other subdivisions.
