The crash happened on the A282 Dartford Crossing at 12pm today (February 20).
The AA reported that two lorries were involved, and an eyewitness reported cars in a “massive pile-up”.
One person was treated at the scene by South East Coast Ambulance Service before being discharged at the scene.
Meanwhile, three lanes were closed resulting in hour-and-a-half traffic delays at their peak.
The road was reopened at 1.30pm 12 miles of congestion.
10 minute residual delays remain on the M25 anticlockwise.
