A 45-year-old motorcyclist from Queens is in critical condition at Nassau University Medical Center after State Police said he rear-ended a car on the southbound Meadowbrook Parkway on Sunday -- and was ejected from his bike.

Wendell Bart, of Laurelton, was riding his 2008 Kawasaki "at a high rate of speed" when he ran into the back of a Scion sedan south of Hempstead Turnpike in Merrick at 8:41 p.m., police said. The driver of the Scion, identified by police as Jazmine Guerra, 19, of Oceanside, was not injured.

No one has been charged in the crash.

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Police said Bart suffered "serious head trauma."

Police said the investigation is continuing and are asking anyone with information regarding the crash to call investigators at 631-756-3300.