It happened just before 4:10 a.m. Saturday, Jan. 14 in Holtsville.
A 37-year-old Ridge man was driving a 2017 Subaru Legacy westbound, about a quarter of a mile east of Exit 61 when the vehicle struck the center divider, Suffolk County Police said.
The man, identified as Christian Aviles, was transported to Stony Brook University Hospital where he was pronounced dead.
Detectives believe Aviles may have suffered a medical event prior to the crash.
Anyone with information on the crash is asked to call the SCPD Sixth Squad at 631-854-8652.
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