Independent Subway System
Mass transportation system
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The Independent Subway System was a rapid transit rail system in New York City that is now part of the New York City Subway. It was first constructed as the Eighth Avenue Line in Manhattan in 1932. Wikipedia
Began operation: 1932
Depot(s): Concourse Yard, Jamaica Yard, Pitkin Yard, 207th Street Yard
Operator(s): New York City Transit Authority
Track gauge: 4 ft 8+1⁄2 in (1,435 mm) standard gauge