It happened at 6:00 p.m. Friday on Route 73 near the Winslow Township Police station.
Police say a Nissan hit the back of a tow truck as it was attempting to make a left turn onto Route 73.
The driver of the car, Thomas Downs of Atco, N.J., was taken to Cooper University Hospital in critical condition.
No other injuries were reported.
A police investigation is underway.