Police are appealing for witnesses following a serious road collision on the M25 at the Dartford River Crossing this morning.
Officers were called to the bridge shortly after 2am today (Wednesday, August 17) following reports that a white BMW 118 convertible car had been in collision with the crash barrier at the side of the carriageway.
The woman driver had suffered serious injuries and has been taken to hospital in London where she remains.
Her passenger, a teenage boy, had also been injured and was taken to hospital. He has since been released.
Officers are investigating the circumstances leading up to the collision and would urge anybody who may have seen the vehicle prior to the incident to contact them.
Anybody that can help is asked to contact 101 quoting incident 42 of August 17.
Essex Police say efforts are continuing to fully reopen the bridge as soon as possible. Two lanes are currently open. Motorists are thanked for their patience.