149-Grand Concourse Elevators? in New York City Subway Posted April 25 Were they shut down in 1975 because they weren't in the middle of the station or was their another reason? In the MTA's world, "Security reasons" was the reason, although it doesn't explain much. The mystery is quite intriguing, especially since there aren't any pics depicting the actual elevators other than the stairwells and the passageway. Case in point: here and here!