Pittsburg and Shawmut Railroad
railway line

The Pittsburg and Shawmut Railroad (reporting mark PSR), also known as the Shawmut Line, was a short line railroad company operating passenger and freight service on standard gauge track in central and southwestern Pennsylvania. Since 2004, it has been operated as part of the Buffalo and Pittsburgh Railroad, which is owned by Genesee & Wyoming Inc.
History
The Pittsburg and Shawmut Railroad is often confused with the similarly named Pittsburg, Shawmut and Northern Railroad from which the P&S had its origins. Further adding to the confusion is the fact that both were nicknamed the Shawmut Line, both operated in roughly the same geographic area, and both used similar diamond logos during their history. In fact the two were separate and unrelated companies after their 1916 split.
The P&S operated on a single-track main line, with approximately 88 miles (140 km) of standard gauge track extending from Brockway, Pennsylvania to Freeport, Pennsylvania. The railroad operated using timetable and train orders without block systems until at least 1950. The main shops were located in Brookville, Pennsylvania.
Beginnings
The Pittsburg and Shawmut Railroad Company began life on July 21, 1903, as the Brookville and Mahoning Railroad, leased by the Pittsburg, Shawmut and Northern Railroad. When the PS&N declared bankruptcy in 1905, the B&M was spun off into a separate entity and was renamed in 1909 due to confusion with the Boston and Maine Railroad's initials.
Begin with the source’s own compact description: “Pittsburg and Shawmut Railroad” is railway line. The dossier treats that line as a proposition to test through Pittsburg, Shawmut and Railroad, not as a finished interpretation.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 22, 2026. The linked authority identifier is Q603063. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2004, 1916, 1950 and 1903.
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This entry incorporates text from “Pittsburg and Shawmut Railroad” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.