Lorenzo Bautista was struck by Raritan Valley Line train 5530 near the Plainfield station around 6:40 p.m. Saturday, NJ Transit spokeswoman Lisa Torbic said.
None of the approximately 30 passengers on board the train were injured, Torbic said.
The train left the Raritan Station at 6:14 p.m. and was scheduled to arrive in Cranford at 6:54 p.m.
New Jersey Transit police were leading the investigation.
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