NYC Subway S train
Photo: Wikimedia

At the platform of the Times Square-Grand Central shuttle, a train track is hidden in plain sight. At both ends of the two-station line, tracks are numbered 1, 3 and 4, with no Track 2 to be found. As the New York Times explained, Track 2 once ran in its appropriate spot, between Tracks 1 and 3, but was taken out of operation nearly 100 years ago. After an attempt to expand the original 1904 line turned to major confusion for commuters, transit officials covered Track 2 with wooden flooring to make it easier for New Yorkers to walk to the new tracks.

 

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