Mountain_Subdivision

Mountain Subdivision

Mountain Subdivision

Railroad line between in the U.S. states of Maryland and West Virginia.

For the railroad line in New England, see Mountain Division.

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,[1] 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.[2]

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At its east end, the Mountain Subdivision becomes the Cumberland Terminal Subdivision at Beall Street. It junctions the Thomas Subdivision twice – near Keyser, West Virginia, and near Piedmont, West Virginia – and meets the Fairmont Subdivision near its west end at Grafton. At its west end, it continues as the Bridgeport Subdivision. The Mountain Subdivision's summit is at Altamont, Maryland, at the west end of the Seventeen Mile Grade; the grade's east end is at Piedmont, West Virginia.[3] [4] [5]

History

Bloomington Viaduct crossing the North Branch Potomac River

The Mountain Subdivision was opened in 1852 as part of the B&O's main line.[6] In 1904 the B&O built the Patterson Creek Cutoff to alleviate congestion in its Cumberland rail yard. The cutoff line ran from McKenzie, Maryland to Patterson Creek, West Virginia, providing a bypass of the yard for coal trains moving between Keyser and Brunswick, Maryland.[7]

During the 1970s ownership of the subdivision passed from the B&O to the Chessie System, which closed the Patterson Creek Cutoff.[7] Chessie was merged into CSX in the early 1980s. The Western Maryland Thomas Subdivision was also connected to the Mountain Subdivision.

See also

References

  1. [1]
    CSX Transportation, Huntington, WV. "Mountain Subdivision." Archived 2011-03-22 at the Wayback Machine Huntington East Division, Timetable No. 1. Effective 2005-01-01.
  2. [2]
    mtnsub.org. "The Mountain Subdivision." Railfanning the B&O Around Cumberland, MD. Accessed 2010-08-11.
  3. [3]
    "CSX's Mountain Subdivision." Archived 2006-04-30 at the Wayback Machine Northern West Virginia's Railroads. Accessed 2010-08-11.
  4. [4]
    "MT-Mountain Sub - the RadioReference Wiki".
  5. [5]
    http://www.multimodalways.org/docs/railroads/companies/CSX/CSX%20ETTs/CSX%20Huntington%20Div%20East%20ETT%20%231%201-1-2005.pdf CSX Huntington East Division Timetable
  6. [6]
    "PRR Chronology, 1852." March 2005 Edition.
  7. [7]
    "Mountain Subdivision: Eastern Approach." Archived 2008-05-15 at the Wayback Machine Northern West Virginia's Railroads. Accessed 2010-08-11.
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