> Several midwestern cities, including Pittsburgh, Cincinnati, and Detroit, passed bond issues so that construction could begin on subway systems that emulated the successful New York City one, which began running trains underground in 1904.<p>> “Cincinnati was unique in that they were the only [Midwestern] city to actually begin working on the subway,”<p>Not true. Pittsburgh not only started construction on theirs, but it went into service and still operates today. <a href="https://en.wikipedia.org/wiki/Pittsburgh_Light_Rail#/media/File:Steel_Plaza_Subway_Station.JPG" rel="nofollow">https://en.wikipedia.org/wiki/Pittsburgh_Light_Rail#/media/F...</a>