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|Operator(s)||Allegheny Valley Railroad|
|Number of tracks||1|
|Track gauge||1,435 mm (4 ft 8+1⁄2 in)|
The W&P Subdivision is a rail line between Washington, Pennsylvania (formerly ran until Wheeling, West Virginia), and Hazelwood, Pittsburgh, Pennsylvania. Formerly operated by the Baltimore & Ohio Railroad and later CSX Transportation, this line is now operated by Allegheny Valley Railroad. The Allegheny Valley Railroad leased the line from CSX in 2003 and acquired it in 2019. The section from Pittsburgh to Washington, PA is still in use, however, Washington to Wheeling, WV has been abandoned since 1989.
- Glenwood B&O Railroad Bridge
- Whitehall Tunnel
- Baltimore and Ohio Short Line Railroad
- Hempfield Railroad
- P&W Subdivision
- "Bridges and Tunnels of Allegheny County and Pittsburgh, PA - Railroad History, Pittsburgh Plan, 1923".
- "Allegheny Valley Railroad acquires CSXT rail lines in Western Pennsylvania". Carload Express. May 20, 2019. Retrieved December 17, 2019.