It happened at 6:30 a.m. Monday on Haddonfield-Berlin Road (Route 561) at Morris Drive.
Police tell Action News a motorist slammed into the tractor-trailer, which was stopped at the time.
That driver was critically injured.
Video from Chopper 6 showed a heavily damaged passenger car partially underneath the trailer portion of the big rig.
The tractor-trailer appeared to have jackknifed. It was blocking all lanes of Haddon Berlin Road.
Police remained on the scene.
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