Analysis of information sources in references of the Wikipedia article "SEPTA 서브웨이-서페이스 트롤리 선" in Korean language version.
Worst of all, not all city systems were built to the standard American and European gauge of 4'-8+1⁄2". Pittsburgh and most other Pennsylvania cities used 5'-2+1⁄2", which became known as the Pennsylvania trolley gauge. Cincinnati used 5'-2+1⁄2", Philadelphia 5'-2+1⁄4", 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'-10+7⁄8", and Baltimore a vast 5'-4+1⁄2.
|quote=
에 templatestyles stripmarker가 있음(위치 97) (도움말)An early city ordinance prescribed that all tracks were to have a gauge of 5' 2+1⁄4.
|quote=
에 templatestyles stripmarker가 있음(위치 79) (도움말)An early city ordinance prescribed that all tracks were to have a gauge of 5' 2+1⁄4.
|quote=
에 templatestyles stripmarker가 있음(위치 79) (도움말)