A Suffolk County police officer at the scene Sunday in...

A Suffolk County police officer at the scene Sunday in Stony Brook where a Medford man riding a motorcycle was killed in a crash. Credit: Newsday/James Carbone

A Medford man riding a motorcycle was killed Sunday morning after he crashed near the entrance to Stony Brook University Hospital, the Suffolk County Police Department said.

Airton Santos-Alexandre, 26, was pronounced dead at the scene after the crash about 11:10 a.m., police said.

The 2015 Suzuki GSX-R750 motorcycle was traveling south on Nicolls Road in Stony Brook when it struck a guardrail on the right shoulder, according to a police department news release.

Police shut down southbound lanes between the two entrances to the hospital until about 3:10 p.m.

Detectives from the Sixth Precinct are investigating the crash, police said.

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 and seriously injured more than 16,000 people.

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