In NYC, a Subway Line to Hogwarts? Advertisement for platform 9 3/4 magically appears By Evann Gastaldo, Newser Staff Posted Nov 23, 2010 11:18 AM CST 1 comment Comments Harry Potter fans prepare to take a steam train from Sydney Central Station ... not NYC. (Getty Images) (Newser) – Could the fastest way to get to Hogwarts be by way of the New York subway? Platform 9 3/4, the magic train platform that Harry Potter and his classmates use to get to Hogwarts, has appeared on an official MTA sign at the 14th St. Union Square station, the New York Daily News reports. Despite the very official-looking maroon sticker, which covers up the slot for a now-defunct line, an MTA rep denies it's an inside job. Click here to see a picture.