A3 crash Clapham Road northbound

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.

Status

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

Location

A3 northbound · Clapham Road

Reported as

Collision

At its worst

Delay ~12 min

Sources

TomTom ×12 · TfL

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

Source reports

• 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 Elephant And Castle southboundMon 20:30 · cleared after 3 h 25 min
• A3 crash Robin Hood Way southboundFri 23:00 · cleared after 40 min
• A3 crash Battersea Rise both directionsThu 20:56 · cleared after 13 min
• A3 crash Clapham Common North Side eastbound1 Nov 2026 07:03 · cleared after 12 h 2 min
• A3 crash Kingston Road southbound1 Nov 2026 00:34 · cleared after 3 h 42 min
• A3 crash northbound30 Oct 2026 09:32 · cleared after 59 min
• A3 crash Clapham High Street northbound30 Oct 2026 02:09 · cleared after 5 h 16 min
• A3 crash Newington Butts southbound16 Oct 2026 09:24 · cleared after 2 h 50 min

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.