Traffic stretched back five miles on the M2 after a car ended up on its roof following a collision with another vehicle.
The crash happened on the coastbound carriageway between Junction 5 for Sittingbourne and Junction 6 for Faversham.
It is understood the car which overturned was in collision with a mini, which span on the carriageway before coming a halt.
No one was seriously injured in the smash which happened shorty before 6pm.
Earlier a biker suffered a leg injury when his machine was in collision with a car on the same stretch of road.
Steve Knight, spokesman for Kent Police, said officers were called at 5.51pm.
He said: "Officers are at the scene along with South East Coast Ambulance Service and Kent Fire and Rescue Service.