The MTA says a female train operator was handling a No. 7 train headed towards Hudson Yards around 5:30 p.m., when she reported not feeling well.
Passengers on the train, that was stuck between Times Sq-42nd Street station and the 34 Street-Hudson Yards station, had to wait for another operator to walk through the tunnel, jump onto the train and take the controls.
The operator was taken to Mount Sinai West, according to the FDNY, where she's expected to recover.
There's no word yet on what caused the conductor to pass out.
----------
* Get Eyewitness News Delivered
* More New York City news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube