The driver, Kevin Roper, 35, of Jonesboro, Ga ., was expected to surrender to authorities, the statement said.
A State Police spokesman said Roper failed to see slow moving traffic ahead of his rig as it traveled northbound on the Turnpike through Cranbury.
The truck slammed into a 2012 Mercedes Sprinter, a passenger van, carrying Morgan and several others.
James McNair, 62, of Peekskill, N.Y., a comedian best known as Jimmy Mac and one of Morgan’s writers, was pronounced dead at the crash scene about an hour after the 1 a.m. accident.
Four other passengers, including Morgan, were taken to Robert Wood Johnson University Hospital in New Brunswick. Morgan, 45, and another passenger, a 36-year-old man from Shelton, Conn., were airlifted to the hospital.
Morgan, the Connecticut man and another passenger, a 43-year-old man from Jersey City, are listed in critical condition, the statement said.
One other passenger in the van, who was not identified, was treated at the hospital and then released.
Four other vehicles were involved in the crash but none of their occupants were injured, the statement said.
Roper’s bail has been set at $50,000.
The prosecutor’s office asks that anyone with information about the crash to call the State Police’s Detective Bureau in Cranbury at (732) 609-860-9000, ext. 4400.