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A crash on the entry slip road to the M25 has caused delays for motorists heading towards the Dartford Crossing.
The crash between a lorry and a car happened on the anticlockwise entry slip at junction 1A leading to the crossing.
Traffic is queueing with congestion back to to junction 2 for the Darenth Interchange, but all lanes have now reopened.
Motorists were held back by police from 11.15am for 10 minutes and the vehicles have been moved to the hard shoulder.
Traffic is also queueing on the other side due to onlookers and it is not known at this stage if anyone has been injured.