Authorities were trying to identify the rider, who responders said was taken to St. Joseph's Regional Medical Center in serious condition.
Witnesses said he got into a dispute with the female driver of a car who he thought cut him off at the intersection of Routes 80, 23 and 46.
Witnesses said he followed the car into the shopping mall lot, then threw some type of object at it.
He then took off -- and accidentally crash his bike into another car outside the Floor and Decor store, they said.
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