Netcare 911 paramedics and other services responded to an accident on N14 in Centurion this afternoon.
Upon their arrival on scene they found that two heavy goods vehicles were involved in a rear-end collision. The driver of one the heavy goods vehicles was entrapped in his vehicle and found to be in a critical condition.
Services had to make use of the Jaws of Life to extricate the man from his vehicle.
The Netcare1 helicopter was activated to airlift the critically injured man to hospital for the urgent medical care that he required.
Exact detail to the cause of the accident and preceding events will remain the subject of a police investigation.