The incident occurred around 12:42 a.m.at Exit 18B (Mamaroneck Avenue) in Mamaroneck.
The vehicle operator, Maicol Encarnacion Garcia of Richmond Hill, Queens, was outside of a Tan VW Tiguan changing the tire when he was struck by a tractor-trailer that left the scene. The tractor-trailer is described as towing two trailers.
Anyone who witnessed the collision is asked to call the Bureau of Criminal Investigation in Hawthorne at (914) 769-2600. All calls can be kept confidential.
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