Troopers were called around 4:35 a.m. to the turnpike's southbound side at milepost 105.8 in Newark, New Jersey State Police Sgt. Alejandro Goez said.
The unidentified man was walking down the NSI road with a shopping cart when he was struck by a Lincoln Towncar, then by a Honda Civic and a Toyota 4Runner, Goez said.
It was not immediately clear which impact killed him. He was pronounced dead at the scene, police said.
Two of the drivers were taken to an area hospital with injuries, Goez said.
The incident remains under investigation.
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