Traffic on the M25 at around 10.45am (Image: TRAFFIC CAMERAS UK)
The M25 in Kent has been closed clockwise between J3 (M20, Swanley) and J4 (Orpington) on December 18 due to a serious collision, National Highways said.
The incident prompted the arrival at the scene of emergency services, including Kent Police.
National Highways Traffic Officers are also on scene assisting with traffic management, the organisation said.
The road is expected to remain shut into the afternoon, as investigations into the incident are to take place, leading to serious delays.
Shortly after 10.45am, had been already reported four miles of queues anti-clockwise and six clockwise, leading to a 10-mile buildup.
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Air Ambulance seen landing at the scene
Traffic is being held in both directions to allow Air Ambulance to land at the scene of the “serious collision”.
At this stage, there has been no further update on the number of casualties or the severity.
Casualties remain unknown
It is unclear how many people have been involved in the incident.
The Daily Express has reached out to the South East Coast Ambulance Service for comment.
Kent Police say “officers in attendance”
Kent Police have confirmed that officers are in attendance at the site of a serious collision on the M25 between junctions 3 and 4.
The is closed clockwise between J3 (M20, Swanley) and J4 (Orpington) after a serious collision. Our officers are in attendance, along with other emergency services. The road is expected to remain closed for several hours. For travel updates visit
u2014 Kent Police (UK) (@kent_police)
Diversion route in place
Road users are advised to follow the hollow triangle diversion symbol on road signs:
Exit the M25 clockwise at the J3 Swanley Interchange.
At the roundabout, take 5th exit onto A20 towards London.
Continue until the A224 roundabout (Crittal’s Corner)
At Crittal’s Corner roundabout, take 1st exit onto A224 towards Orpington.
At A224 / M25 Link Hewitts Roundabout take 1st exit onto M25 link and at next roundabout M25 Junction 4 take 2nd exit to rejoin M25 clockwise towards Gatwick.
Emergency services have arrived at the scene
National Highways have confirmed on X that emergency services are at the scene and ” it’s likely the closure will be in place for some time.”
The in is CLOSED clockwise between J3 (, ) and J4 () due to a serious collision.Emergency services are on scene. It’s likely the closure will be in place for some time.More information to follow shortly.
u2014 National Highways: South-East (@HighwaysSEAST)
Good morning
Good morning. We will be bringing you the latest on the traffic situation on the M25 following a “serious collision”.