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Thousands of motorists across Greater London, Surrey, and Hertfordshire face extensive morning disruption today, 30 September 2026, after multiple separate collisions on the M25 London Orbital motorway triggered miles of tailbacks during peak commuter hours. The primary bottlenecks have severely affected both the southern and northern sectors of the orbital route, specifically near Chipstead along the Surrey and Kent border, and around Junction 24 near Potters Bar. Traffic monitoring agencies and motorway patrols reported severe bottlenecks building rapidly from early morning, with tailbacks stretching over several miles as emergency responders and recovery vehicles attended to disabled vehicles and roadway debris.
The disruption began during the early hours of Wednesday morning when an initial collision crippled traffic on the anticlockwise carriageway near the Kent border. According to official incident reports confirmed by the Automobile Association, a multi-vehicle collision involving a car transporter and a passenger car occurred on the M25 anticlockwise between Clacket Lane Services and Junction 5 for the M26, near Chipstead. The impact forced the immediate closure of lane one of four, resulting in queues extending more than three miles towards Surrey within minutes.
Simultaneously, motorists travelling along the northern rim of the capital encountered substantial delays near Junction 24 at Potters Bar. The Hertfordshire stretch, linking the A111 at Stagg Hill with Junction 23 for South Mimms, experienced severe lane restrictions following a secondary collision that left residual debris across running lanes. The cumulative impact of both morning incidents has created severe cross-regional bottlenecks, forcing regional traffic officers to intervene and divert traffic onto secondary arterial routes.
Daily Dazzling Dawn understands that highway incident units, supported by regional recovery operators, were deployed rapidly to clear the obstructed carriageways and assess road surface integrity. At the southern crash site near Chipstead, emergency crews concentrated on safely detaching and towing the damaged car transporter to prevent fuel leakage and safeguard adjacent running lanes. Motorway authorities confirmed that while vehicle recovery operations commenced promptly, the size of commercial haulage equipment significantly prolonged the physical clearance window.
National Highways and local traffic police units have urged drivers to exercise patience and maintain safe stopping distances while clearance crews operate in live motorway environments. Speaking to Daily Dazzling Dawn, transport monitors noted that stranded vehicles in live lanes invariably generate residual ripple-effect braking waves, which frequently persist for miles behind the scene even after lanes are reopened.
Motoring specialists and live travel telemetry indicate that the timeline for conditions returning entirely to normal will depend on clearance efficiency and the duration of residual congestion. As recovery teams complete the extraction of vehicles and sweep broken glass and fluid spills from the lanes, lane closures are progressively lifted. However, transport analysts warn that network recovery typically requires between ninety minutes and two hours after all running lanes are officially reopened, particularly when high-volume rush-hour traffic converges on an already compromised system.
Drivers navigating both the anticlockwise stretch approaching the M26 and the clockwise lanes near Potters Bar have been advised to consult live GPS routing, allow considerable extra travel time, or consider alternative orbital detours via the North Circular A406 or regional trunk roads. With recovery operations proceeding steadily, highway officials project that traffic conditions across the affected sectors will stabilise toward normal baseline speeds by early afternoon, provided no further collisions occur during peak dispersal.
