Cops: Lake Grove man dies in Northern State crash

A Lake Grove man died in a single-vehicle crash Saturday morning while driving on the westbound Northern State Parkway near Exit 39 in Nassau County on Feb. 15, 2014. State Police said Glenn Sullivan, 50, was driving a silver Infiniti westbound near Exit 39 at a "high rate of speed" when he lost control of his vehicle. (Credit: Jim Staubitser)

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A Lake Grove man died in a single-vehicle crash Saturday morning while driving on the Northern State Parkway in Nassau County, State Police said.

Glenn Sullivan, 50, was driving a silver Infiniti westbound near Exit 39 at a "high rate of speed" when he lost control of his vehicle, which overturned before striking a tree at about 9:25 a.m., officers said.

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He was pronounced dead at the scene.

State Police closed all westbound lanes of the parkway for about two hours as a result of the crash.

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