According to the MTA, there was a decoupling between the third and fourth car of a No. 4 train, meaning the cars separated.
The MTA says just after 5 p.m. Sunday the third and fourth cars of the southbound 4 train detached near the 149th ...
New York City Transit President Demetrius Crichlow said the separation of train cars is "an unusual incident," but says the train's bakes immediately activated as intended.
A subway car separation on a southbound 4 train in the Bronx created a tense situation for passengers on Sunday.