M1 crash J23A–J23 southbound

Crash on the M1 southbound at J23A–J23 on Monday 9 November 2026, from 06:45. Cleared at 09:09 after 2 h 24 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 09:09 on 9 Nov 2026, after 2 h 24 min

Location

M1 southbound · J23A–J23

Reported as

Collision

At its worst

Delay ~15 min

Sources

TomTom ×7 · Motorway signs

Timeline

1. 06:45 Motorway signs: “COLLISION SLOW DOWN”
2. 06:56 TomTom: queueing traffic, “Stationary traffic”, delay ~7 min
3. 07:01 TomTom: queueing traffic, “Queuing traffic”, delay ~6 min
4. 07:05 TomTom: queueing traffic, “Queuing traffic”, delay ~8 min (reported again)
5. 07:10 TomTom: queueing traffic, “Slow traffic”, delay ~6 min
6. 07:24 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
7. 07:29 TomTom no longer reports it
8. 07:31 Motorway signs no longer show “COLLISION SLOW DOWN”
9. 07:31 All clear: no source reports it any more
10. 07:33 TomTom: queueing traffic, “Stationary traffic”, delay ~8 min
11. 07:37 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
12. 07:42 TomTom: delay now ~8 min (was ~3)
13. 07:51 TomTom: queueing traffic, “Queuing traffic”, delay ~8 min
14. 07:51 TomTom: delay now ~15 min (was ~9)
15. 07:56 TomTom: “Queuing traffic”
16. 07:56 TomTom: delay now ~7 min (was ~15)
17. 08:00 TomTom: “Slow traffic”
18. 08:01 TomTom: delay now ~12 min (was ~7)
19. 08:05 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
20. 08:10 TomTom: queueing traffic, “Stationary traffic”, delay ~10 min (reported again)
21. 08:23 TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
22. 09:04 TomTom: “Slow traffic”
23. 09:09 TomTom no longer reports it
24. 09:09 All clear: no source reports it any more

Source reports

• Queuing traffic
• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: M1 southbound between J23A and J23).
• Slow traffic

Other recent incidents on the M1

• M1 crash J21–J21A northbound14:57 · cleared after 1 h 31 min
• M1 delays J40–J3907:28 · cleared after 1 h 36 min
• M1 stopped traffic J11–J1005:58 · cleared after 4 h 16 min
• M1 crash J29 northbound04:53 · cleared after 7 h 10 min
• M1 reported crash J11–J10 southboundyesterday 21:20 · cleared after 39 min
• M1 crash J11yesterday 16:37 · cleared after 41 min
• M1 crash J8–J9 northboundyesterday 16:14 · cleared after 1 h 41 min
• M1 reported crash J8–J9 northboundyesterday 16:14 · cleared after 43 min
• M1 crash J28 northboundyesterday 16:12 · cleared after 2 h 37 min
• M1 crash J16–J15A southboundyesterday 13:24 · cleared after 2 h 2 min

Live traffic and past incidents at M1 J23A and M1 J23.

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