The Eighth Avenue Line is the original rapid transit line of the Independent Subway System (IND), now run by the New York City Transit Authority as part of the New York City Subway system. For more than three decades from its inception in 1932, many New Yorkers called the entire IND system the Eighth Avenue Subway. Although it was the first portion of the IND put into service, this was never its official name. Most of the line is quadruple-tracked (with one local and one express track in each direction), except for the extreme north and south ends (which have just two tracks). The northern section of the Eighth Avenue Line (above 145th Street) was once designated the Washington Heights Line (entrance signage read "Wash. Hgts.-8th Av."). For this reason, some A trains (R32 and R38 only) hav