For more than three decades from its inception in 1932, many New Yorkers called the entire IND system the Eighth Avenue Subway; though it was the first "portion" of the IND put into service, this was never its official name.
Many New Yorkers called the entire IND system the Eighth Avenue Subway. This was for more than three decades from its inception in 1932. It was the first "portion" of the IND. This IND was put into service. This was never its official name.