The queue is 12 miles for commuters commuting to London on Thursday morning.
The Datrford Crossing or QE2 bridge is one of London's major modes of transportation.
The collision partially blocks Kent's driveway with a lane of three lanes and turns off at M20.
The collision occurred between intersection 2 of the Darenth Interchange and intersection 3 of the Swanley Interchange.
Traffic from long queues is created on the bridge due to an accident.
One lane closes while traffic is passing through the accident.
The ambulance is currently parked on the driveway at the scene of the accident.
The deal is expected to take about an hour and a half to travel on the UK highway.
Kent Police said two cars and three trucks collided in the accident.
Police confirmed the injury was reported.
7.27am At this time, the M25 flow slowly moved from the Kent side of Dartford Crossing and the movement started.
There is still a delay in accessing the Dartford Crossing itself and the bridge in Essex.
The AA recommended one hour and five minutes of travel time.
At 7.5 o'clock (GMT), Highways England confirmed that all three lanes were resumed, but still had trailing traffic.
The car was hit by a hard shoulder.
GMT at 9 am, Twitter on the UK highway: "All the delays caused by this incident are now resolved."