The collision happened between exits 40W and 40 at 2:45 p.m. on Sunday, Dec. 22, according to the Nassau County Police Department.
A 2004 FedEx truck, driven by a 28-year-old man, was heading east in the right lane when it struck a 33-year-old man who was walking in the roadway, detective said.
The pedestrian was pronounced dead at the scene by a Nassau County Police medic, police said.
The truck driver remained at the scene, and no other injuries were reported.
The incident remains under investigation.
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