Two train cars detached on a No. 4 train heading into Manhattan from the Bronx on Sunday. No injuries were reported.

According to the MTA, there was a decoupling between the third and fourth car of a No. 4 train, meaning the cars separated.

A subway car separation on a southbound 4 train in the Bronx created a tense situation for passengers on Sunday.

Every subway rider dreads descending into a station to find a flustered crowd of commuters waiting for a delayed train. On some lines, the sight is far more common than others. A Crain’s analysis of ...

On any given day, commuters riding the subway to work dread delays that could upend their commutes. Among the causes are mechanical issues with a train, signal problems and police investigating an ...

Andrew Cuomo, whose stewardship of the M.T.A. as governor was contentious, suggested that the authority hand over responsibility for capital construction and maintenance to the city.