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The M2 was temporarily closed following a crash involving a lorry and a car.
The incident happened on the London-bound carriageway at Junction 3 - the turn-off for Chatham, Rochester and Maidstone - at 1pm and led to queues.
A police spokesman said: "Officers attended the scene and the vehicles were moved to the hard-shoulder.
"The carriageway was closed while highways teams cleared debris."
The road was reopened at 1.30pm.
No injuries were reported.
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