On our way to see the spaceship on the Flatiron plaza on Sunday, we saw this historic subway train running on the M line. I have since learned that the train we saw is the MTA's Nostalgia Special that will run on Sundays in December.
MTA to Offer Holiday Season Nostalgia Train & Bus Rides (H/T Justin Ferate Tours)
Vintage Buses to Run on M42 Line for the Nostalgia Special in NYC
MTA Brings Back 'Nostalgia' Train For Subway Commute (video)
MTA Nostalgia Trains: Take a Ride Back in Time in NYC