The crash took place around 11:38 p.m., Wednesday, July 14, on the expressway in Medford, said the Suffolk County Police.
According to detectives, a man driving a Kia rear-ended a Toyota, driven by a woman, near Exit 65.
The driver of the Kia was transported to Stony Brook University Hospital for treatment of serious injuries.
The driver of the Toyota was transported to Long Island Community Hospital in East Patchogue for treatment of minor injuries.
The crash closed westbound lanes until 6 a.m. Thursday, July 15, as police investigated the crash.
Anyone with information is asked to call the Sixth Squad at 631-854-8652.
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