Drivers have been warned to expect delays this morning on a major motorway after a multi-vehicle collision has caused traffic to pile up.
Due to the incident, the M25 in Essex has been closed anti-clockwise between J30 in Thurrock and J29 in Upminster.
All emergency services including Essex Police are in attendance, including National Highways Traffic Officers providing assistance with traffic management.
National Highways shared: "As a result of this incident, traffic approaching the Dartford Crossing is being periodically stopped to prevent stationary traffic within the tunnels.
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The crash took place earlier this morning with Essex Police and emergency services called to the scene
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"If this closure impacts your planned route, please allow extra journey time. Plan ahead, you may wish to re-route or even delay your journey."
The agency has also put a diversion route in place with all drivers urged to follow the hollow square diversion symbol on road signs.
The diversion takes drivers off the M25 Junction 30, where they should exit the slip and take the third exit on the A13 roundabout towards Tilbury.
At the A128, drivers should bear left onto the exit slip and then take the first exit at the "Orsett Cock" roundabout onto the A128 towards Brentwood.
At the "Halfway House" roundabout, drivers must take the first exit onto A127 towards London.
Follow the A127 and take the exit slip towards M25 Junction 29 and then take the third exit at the roundabout to rejoin M25 towards Stansted.
Normal traffic conditions are expected to return between 11:30am and 11:45am later today.
Updating drivers, National Highways said that recovery is now ongoing at the scene. "Thanks for your continued patience if you're held up within the closure, there are long delays on approach," they added.
A spokesperson for Essex County Fire and Rescue Service said: "Firefighters from Grays and Orsett are currently at a road traffic collision on M25 Junction 30-29 involving three vehicles. Firefighters have rescued two casualties."
The incident has now been cleared with National Highways beginning the process of re-opening the M25 in Essex anti-clockwise between J30 and J29.
Traffic caught within the closure has been released with the agency stating it will issue a further update when the road has fully re-opened at J30.
A spokesperson for Essex Police shared on Facebook: "We are at the scene of a collision on the M25, between junctions 29 and 30 on the anti-clockwise carriageway. It was reported three vehicles were involved in a collision at about 8.50am, leaving one person with injuries and another person trapped in their vehicle."
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J30 and J29 have been closed to allow emergency services to assist
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They added: "Paramedics attended the scene and treated one woman, and firefighters attended the scene and freed another person from a vehicle. The road remains partially blocked while emergency services make the scene safe. Drivers should check before they travel and plan their journeys accordingly."
