The man was struck by the Morris and Essex Line Train #6611 near the NJ Route 124 bridge in Madison around 8:45 a.m.., an NJ Transit spokesperson told Daily Voice.
The train had departed the Penn Station New York terminal at 7:49 a.m. and was scheduled to arrive in Dover at 9:17 a.m., authorities said.
The man was taken to Morristown Medical Center and pronounced dead, authorities said.
The approximately 35 passengers and crew members onboard the train was uninjured.
The Morris and Essex Line was subject to delays up to 45 minutes between Summit and Morristown, and NJ TRANSIT rail tickets and passes are being cross-honored by NJ TRANSIT and private carrier bus.
The investigation is being conducted by the New Jersey Transit Police.
Click here to follow Daily Voice Newark and receive free news updates.