The crash happened around 9:20 p.m. Saturday, June 22, in Plainview.
A 30-year-old victim was operating a 2016 Kawasaki motorcycle eastbound near Exit 46 when he struck the rear of a 2023 International tractor-trailer.
The motorcyclist was pronounced dead at the scene by a Nassau County Police Department Medic.
He's now been identified as Justin Iezzoni, age 30, of Dix Hills.
The operator of the truck, a 57-year-old man, was uninjured and remained at the scene.
The investigation is ongoing.
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