More on KentOnline
Traffic was queueing on the M20 after a collision reportedly involving two cars and a van.
Two of three lanes were closed on the London bound carriageway between junction 11 for Hythe and junction 10 for the A20 at Ashford.
Kent Police were called at 12.14pm and officers attended the scene with ambulance crews.
A man was treated for minor injuries.
Traffic was briefly held while debris was cleared from the road.
All lanes have been reopened and congestion has cleared.