A man is dead after suffering an apparent medical episode and crashing into a guardrail in Holbrook early Friday, Suffolk County police said.

Around 12:53 a.m., the man was driving a 2005 Mercury Sable on the North Service Road of the Long Island Expressway when the medical episode occurred, according to police.

The car then left the roadway and struck a guardrail near the intersection with Laurel Street.

The man was taken to Stony Brook University Hospital, where he was pronounced dead, police said.

The Mercury was impounded for a safety check.

More coverage: Every 7 minutes on average a traffic crash causing death, injury or significant property damage happens on Long Island. A Newsday investigation found that traffic crashes killed more than 2,100 people between 2014 and 2023 a

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