Kent Fire and Rescue Service were called to the A2 Keycol Hill in Bobbing earlier this afternoon.
It was following reports of a collision involving one vehicle at approximately 13:15hrs.
Two fire engines attended and crews used hydraulic rescue equipment to remove the car roof and free a man trapped inside.
He was handed into the care of South East Coast Ambulance paramedics, who were also attending the scene.
Kent Police closed the road in both directions during the incident and re-opened it shortly after 2.00pm.