Investigators are trying to determine the cause of a fatal single-vehicle crash that occurred early Wednesday in Peconic.

A Southold man, Sergio Montenegro-Ochoa, 25, was killed in the crash, which occurred on Route 48 at 12:39 a.m., Southold Town police said.

Police said Montenegro-Ochoa was driving west on Route 48 when his car left the road and struck a tree. He was pronounced dead at the scene.

Additional details were not immediately available.

LI schools among nation's best ... Pension costs spike ... Lets Go: Kerber's Farm Credit: Newsday

Nassau's lead pipes problem ... LI schools among nation's best ... Tobay Beach sand loss ... Knicks open camp

LI schools among nation's best ... Pension costs spike ... Lets Go: Kerber's Farm Credit: Newsday

Nassau's lead pipes problem ... LI schools among nation's best ... Tobay Beach sand loss ... Knicks open camp

SUBSCRIBE

Unlimited Digital AccessOnly 25¢for 6 months

ACT NOWSALE ENDS SOON | CANCEL ANYTIME