The right lane was closed east of exit 7 in Hunterdon County for the accident investigation, authorities said.
The male driver of a Dodge Charger died after rear-ending a parked tractor-trailer just before 6:30 a.m. Saturday on Interstate 78 West in Bethlehem Township, New Jersey, New Jersey State Police report.
An extended crash investigation is underway on the highway about a mile east of Exit 7, Sgt. Gregory Williams said. The right lane remained closed at 8:15 a.m., according to 511nj.org.
The driver of the tractor-trailer was not injured, Williams said.
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No one else was in the car, Williams said.
It wasn't immediately clear why the truck was on the side of the road, but it was away from the lanes of traffic, Williams said.
Details about the Charger's driver were not immediately available, Williams said.
Tony Rhodin may be reached at arhodin@lehighvalleylive.com. Follow him on Twitter @TonyRhodin. Find lehighvalleylive.com on Facebook.