The driver tried jumping into the driver's seat but fell from the moving vehicle around 5:15 p.m. on North Maple Avenue, Police Chief John Ward told Daily Voice.
The victim was been part of a crew conducting maintenance/repair work on the home of noted author Harlan Coben.
An ambulance took him to Hackensack University Medical Center with the assistance of a paramedic unit from The Valley Hospital.
The van was removed from the scene by a tow truck.
Village police were investigating.
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