A3 crash Clapham Road northbound

Cleared Cleared at 19:16 on 23 Sept 2026, after 11 h 55 min.

Crash on the A3 northbound at Clapham Road on Wednesday 23 September 2026, from 07:21. Cleared at 19:16 after 11 h 55 min. Timeline of reports from TomTom and TfL.

1. !

   A3 northbound · Clapham Road

   Collision

   Wed 07:21–Wed 19:16 (cleared after 11 h 55 min) · delay ~6 min · queue 0.5 mi

   TomTom ×12 · TfL

See the A3 on the live map A3 traffic now

Timeline

1. Wed 07:16 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
2. Wed 07:21 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
3. Wed 07:30 TomTom: queueing traffic, “Stationary traffic”, delay ~5 min
4. Wed 07:43 TomTom: “Queuing traffic”
5. Wed 07:57 TomTom: delay now ~11 min (was ~5)
6. Wed 08:07 TomTom: queueing traffic, “Stationary traffic”, delay ~3 min
7. Wed 08:11 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min (reported again)
8. Wed 08:24 TomTom: delay now ~6 min (was ~12)
9. Wed 08:30 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min
10. Wed 08:33 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
11. Wed 08:58 TomTom: queueing traffic, “Stationary traffic”, delay ~3 min
12. Wed 09:06 TomTom: queueing traffic, “Slow traffic”, delay ~5 min (reported again)
13. Wed 09:20 TomTom no longer reports it
14. Wed 09:20 All clear: no source reports it any more
15. Wed 09:34 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
16. Wed 09:46 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
17. Wed 09:48 TomTom: “Queuing traffic”
18. Wed 10:02 TomTom: queueing traffic, “Queuing traffic”, delay ~3 min (reported again)
19. Wed 10:02 TomTom no longer reports it
20. Wed 10:02 All clear: no source reports it any more
21. Wed 10:29 TomTom no longer reports it
22. Wed 10:29 All clear: no source reports it any more
23. Wed 11:25 TomTom: queueing traffic, “Stationary traffic”, delay ~3 min (reported again)
24. Wed 11:38 TomTom: “Queuing traffic”
25. Wed 11:52 TomTom no longer reports it
26. Wed 11:52 All clear: no source reports it any more
27. Wed 14:52 TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
28. Wed 15:06 TomTom: queueing traffic, “Queuing traffic”, delay ~3 min (reported again)
29. Wed 15:20 TomTom: “Slow traffic”
30. Wed 15:34 TomTom no longer reports it
31. Wed 15:34 All clear: no source reports it any more
32. Wed 15:52 TomTom: queueing traffic, “Queuing traffic”, delay ~3 min
33. Wed 16:16 TomTom no longer reports it
34. Wed 16:16 All clear: no source reports it any more
35. Wed 16:21 TfL: collision
36. Wed 16:28 TfL no longer reports it
37. Wed 16:30 TfL: collision (reported again)
38. Wed 16:43 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
39. Wed 16:57 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
40. Wed 17:11 TfL no longer reports it
41. Wed 17:11 TomTom: “Queuing traffic”
42. Wed 17:39 TomTom no longer reports it
43. Wed 17:39 All clear: no source reports it any more
44. Wed 18:07 TomTom: queueing traffic, “Slow traffic”, delay ~6 min (reported again)
45. Wed 18:48 TomTom no longer reports it
46. Wed 18:48 All clear: no source reports it any more
47. Wed 19:02 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
48. Wed 19:16 TomTom no longer reports it
49. Wed 19:16 All clear: no source reports it any more

What the sources said

• Queuing traffic
• Slow traffic
• [A3] Clapham Road (Northbound) at the junction of Mayflower Road - There has been a collision and the bus lane is blocked. Use caution on approach, traffic is flowing well.

Other recent incidents on the A3

• A3 crash Robin Hood Way southbound · 08:35, cleared after 2 h 20 min
• A3 crash Clapham High Street westbound · yesterday 13:38, cleared after 3 h 17 min
• A3 closed Manor Way → Down Lane · Tue 22:36, cleared after 17 min
• A3 closed · Tue 22:01, cleared after 23 h 5 min
• A3 closed Manor Way → Down Lane · Tue 21:24, cleared after 4 h 43 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.