A23 crash near Brixton closes road and causes heavy traffic

The A23 near Brixton was closed in both directions on 3 August 2026 after a collision, Transport for London (TfL) confirmed. The incident occurred during the morning, though the exact time remains unclear. TfL has not released details on the number of vehicles involved or whether there were any injuries.

Heavy traffic has built up across South West London as a result of the closure. TfL has implemented diversion routes, urging drivers to avoid the area where possible. The extent of the delays has not been quantified, but local reports describe gridlock on surrounding roads, including the A204 and A205.

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Impact on local residents and commuters

Residents in Brixton and neighbouring areas have reported long tailbacks on alternative routes. Bus services operated by TfL are experiencing delays, though no cancellations have been announced. The closure affects key routes into central London, including connections to Clapham, Streatham, and Croydon.

Local councillor Marcia Cameron, representing Lambeth Council, told *This Is Local London* that the incident highlighted the need for improved traffic management on the A23. She said: "This stretch of road is a critical artery for South London, and closures like this cause widespread disruption. We need clearer contingency plans to keep people moving."

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What happens next

TfL has not provided a timeline for reopening the A23. Emergency services remain at the scene, and an investigation into the cause of the crash is underway. Drivers are advised to check TfL’s traffic updates or use navigation apps for real-time diversions. No further statements are expected until the road is cleared.