Analysis of information sources in references of the Wikipedia article "سازمان ترابری جنوب شرقی پنسیلوانیا" in Persian language version.
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(help)Worst of all, not all city systems were built to the standard American and European gauge of 4'-81⁄2". Pittsburgh and most other Pennsylvania cities used 5'-21⁄2", which became known as the Pennsylvania trolley gauge. Cincinnati used 5'-21⁄2", Philadelphia 5'-21⁄4", Columbus 5'-2", Altoona 5'-3", Louisville and Camden 5'-0", Canton and Pueblo 4'-0", Denver, Tacoma, and Los Angeles 3'-6", Toronto an odd 4'-107⁄8", and Baltimore a vast 5'-41⁄2".
An early city ordinance prescribed that all tracks were to have a gauge of 2' 21⁄4"
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(help)An early city ordinance prescribed that all tracks were to have a gauge of 2' 21⁄4"