M25 crashes cause delays between Dartford and South Mimms
Two separate collisions on 10 August led to long tailbacks and diversions for drivers
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Two crashes on the M25 caused long delays for drivers on 10 August. The collisions occurred on separate stretches of the motorway, one between junctions 1a and 2 near Dartford, and another between junctions 23 and 24 near South Mimms.
National Highways, the agency responsible for managing England’s motorways, confirmed the incidents. Spokespersons for the agency told *Your Local Guardian* that both crashes led to lane closures and tailbacks. Drivers were advised to avoid the affected areas while recovery work took place.
M25 crash closes lane near Romford as traffic slows
One lane shut on the clockwise carriageway between junctions 28 and 29 after a collision this morning
Impact on drivers
Traffic near Dartford built up quickly after the first collision, with delays reported in both directions. The second crash, near South Mimms, caused similar disruption. National Highways did not specify how many vehicles were involved in either incident or whether any injuries were sustained.
Local radio travel updates warned of delays of up to 45 minutes on the affected stretches. Diversion routes were signposted, but no alternative roads were suggested by National Highways. The agency’s traffic officers attended both scenes to manage the flow of vehicles and assist with recovery.
M25 lanes closed after lorry breakdown and crash near Heathrow and Dartford
Traffic congestion stretches to Junction 13 at Staines while one lane remains shut at Junction 2
What happens next
National Highways has not released a timeline for reopening the closed lanes or clearing the scenes. Drivers are advised to check the agency’s traffic updates before travelling. No further statements on the cause of the crashes or potential investigations have been issued.
Questions this report answers
+Where did the M25 crashes happen?
The crashes occurred between junctions 1a-2 near Dartford and junctions 23-24 near South Mimms. Both stretches experienced lane closures and delays on 10 August, as reported by National Highways.
+How long were the delays on the M25?
Local radio travel updates reported delays of up to 45 minutes on the affected stretches. National Highways advised drivers to avoid the areas while recovery work was underway.
+Who is responsible for managing the M25 after crashes?
National Highways manages the M25 and is responsible for traffic management after incidents. The agency confirmed the crashes and advised drivers to check for updates before travelling.
+Will there be an investigation into the crashes?
National Highways has not announced any investigation into the causes of the crashes. No further details on the incidents or potential follow-up actions have been released.
WE FILE
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The London Travel Desk assembled this report from the outlets listed below. Language-model drafting is reviewed under human editorial supervision, with scoring notes and corrections kept visible.
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