It happened around 7:15 p.m. Monday, Feb. 28 in Islandia.
Carlo M. Guercia, 46, of Massapequa, was on foot in the HOV lane of the westbound expressway, near exit 58, when he was struck by a 2019 Honda Odyssey, Suffolk County Police said.
Guercia was pronounced dead at the scene by a physician assistant from the Office of the Suffolk County Medical Examiner, according to police.
The driver of the Honda, a 41-year-old Williston Park man, was not injured.
The Honda was impounded for a safety check.
Detectives are asking anyone with information on the crash to contact the Fourth Squad at 631-854-8452.
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