Responders said the 63-year-old man suddenly stepped in front of the NJ Transit train -- which was traveling at about 45 miles an hour -- behind the Stop & Shop supermarket off Kinderkamack Road shortly after 4 p.m.
He remained at Hackensack University Medical Center with serious injuries, they said.
The Pascack Valley Line No. 1632 train left Spring Valley at 3:46 p.m. and was scheduled to arrive in Hoboken at 4:30 p.m., NJ Transit's Kate Thompson said.
No injuries were reported to the 45 people on board, she said.
Trains were temporarily held east of New Bridge Landing before service was resumed shortly under 90 minutes later.
NJ Transit police were leading the investigation, assisted by Emerson police. Oradell police also responded.
Several years ago, a 26-year-old man was struck and killed by a NJ Transit train a short distance from the same spot.
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ALSO SEE: An emotionally disturbed man was transported to a hospital for an evaluation after police were called to a disturbance in Washington Township, responders said.
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