It happened at 11:33 p.m. Friday, Feb. 17 on Route 25 in the hamlet of East Marion in the town of Southold.
The names of the four are being withheld pending notification of next of kin.
The Southold Town Police Department said it is currently investigating the crash along with the New York State Police accident reconstructive team.
A Suffolk County Police emergency services unit also responded.
Further details on the crash have not yet been released.
This is a developing story. Check back to Daily Voice for updates.
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