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In the 1960s, the gauge was selected for use in the Bay Area Rapid Transit system (BART), serving the San Francisco Bay Area; it is the only place in the United States where this gauge is in use. The rapid transit segment of the system covers 109 miles (175 km) of double track in revenue service with additional sidings and maintenance facilities.
The vast majority of North American railroads are standard gauge (4 ft 8 + 1 ⁄ 2 in / 1,435 mm).Exceptions include some streetcar, subway and rapid transit systems, mining and tunneling operations, and some narrow-gauge lines particularly in the west, e.g. the isolated White Pass and Yukon Route system, and the former Newfoundland Railway.
United States Columbus Ohio streetcars [97] 1,581 mm 5 ft 2 + 1 ⁄ 4 in: United States Southeastern Pennsylvania Transportation Authority (SEPTA), [98] Philadelphia: 1,588 mm 5 ft 2 + 1 ⁄ 2 in: United States Pennsylvania trolley gauge [98] 1,600 mm 5 ft 3 in: Germany Grand Duchy of Baden State Railway 1840-1854, converted to standard gauge ...
Some amount of tolerance is necessarily allowed from the nominal gauge to allow for wear, etc.; this tolerance is typically greater for track limited to slower speeds, and tighter for track where higher speeds are expected (as an example, in the US the gauge is allowed to vary between 4 ft 8 in (1,420 mm) to 4 ft 10 in (1,470 mm) for track ...
The American gauges converged, as the advantages of equipment interchange became increasingly apparent. Notably, all the 5 ft (1,524 mm) broad gauge track in the South was converted to "almost standard" gauge 4 ft 9 in (1,448 mm) over the course of two days beginning on 31 May 1886. [21] See Track gauge in the United States.
The Bay Area Rapid Transit system is the only operating railroad in the United States to use 1,676 mm (5 ft 6 in) broad gauge, with 120 miles (190 km) of double tracked routes. The original engineers chose the wide gauge for its "great stability and smoother riding qualities" [ 4 ] and intended to make a state-of-the-art system for other ...
Track gauge in the United States This page was last edited on 12 October 2019, at 18:45 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
Contact us; Contribute Help; Learn to edit; Community portal; Recent changes; Upload file; ... Track gauges are ordered by actual track gauge, not by title or unit name.