The person was hit around 5:07 p.m.
The incident disrupted service between New York Penn and Newark Penn stations, NJ Transit and Amtrak said. PATH service was affected as well.
Images from social media showed crowds of people crammed on the platforms at Secaucus and Newark Penn around 6 p.m. There were large crowds on platforms at New York Penn as well.
An Amtrak spokesperson said the 94 train struck the victim and passengers were transferred to another train.
It was the second time Wednesday a person was struck by a train in New Jersey. Around noon, a female trespasser died when she was hit by an NJ Transit train in South Orange.
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