Netcare 911 paramedics responded to a pedestrian accident on the R55 in Kyalami, Midrand this afternoon.
Upon their arrival on scene they found a man in a critical condition after he was knocked over by a 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.