The West Side Belt Railroad (reporting mark WSB) was a standard gauge railroad incorporated July 25, 1895. It ran from Temperanceville, to Clairton, Pennsylvania, with a branch to Banksville. It acquired the Little Saw Mill Run Railroad by merger in 1897, and the Bruce and Clairton Railroad in 1901. The railroad was bankrupt in 1908. The line was purchased by the Pittsburgh and West Virginia Railway in 1920.
|Dates of operation||1895–1920|
|Successor||Pittsburgh and West Virginia|
|Track gauge||4 ft 8+1⁄2 in (1,435 mm) standard gauge|
- Railway Equipment and Publication Company, The Official Railway Equipment Register, June 1917, p. 422
- Vaill, John S.; Ewing, Thomas Jr., eds. (July 15, 1903). Pittsburgh Legal Journal. New Series. Vol. XXXIII. Pittsburgh, Pennsylvania: John S. Murray. p. 12.
- "Pittsburg Road Fails" (PDF). New York Times. June 23, 1908.
- "P&W. Va. Buys a New Spur" (PDF). New York Times (November 16). 1920.