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Two lanes of the M25 have now reopened after a vehicle overturned on the carriageway.
At Junction 3 there are still delays and congestion due to the overturned vehicle which was involved in the incident.
Two lanes of the clockwise side of the road were closed between Junction 3 M20 / A20 (Swanley Interchange), and 4 A21 / A224 (Orpington).
They have now been reopened, and normal traffic conditions are expected to resume from 2.30pm.
Kent Police was called to reports of the incident at 12.05pm and a spokesperson said only one vehicle was involved.
More to follow.