M1 stopped traffic J21A–J21

Stopped traffic on the M1 at J21A–J21 on Wednesday 28 October 2026, from 15:59. Cleared at 18:21 after 2 h 22 min. Timeline of reports from TomTom.

Status

Cleared 18:21 on 28 Oct 2026, after 2 h 22 min

Location

M1 J21A–J21

Reported as

Queueing traffic

At its worst

Stationary traffic · delay ~25 min

Sources

TomTom ×3

Timeline

1. Wed 15:59 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
2. Wed 16:19 TomTom: “Queuing traffic”
3. Wed 16:30 TomTom: “Stationary traffic”
4. Wed 16:35 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
5. Wed 16:46 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min
6. Wed 16:50 TomTom: delay now ~25 min (was ~18)
7. Wed 17:05 TomTom no longer reports it
8. Wed 17:05 All clear: no source reports it any more
9. Wed 17:10 TomTom: queueing traffic, “Stationary traffic”, delay ~21 min (reported again)
10. Wed 17:15 TomTom no longer reports it
11. Wed 17:20 TomTom: queueing traffic, “Stationary traffic”, delay ~22 min (reported again)
12. Wed 17:25 TomTom no longer reports it
13. Wed 17:25 All clear: no source reports it any more
14. Wed 17:30 TomTom: queueing traffic, “Stationary traffic”, delay ~19 min (reported again)
15. Wed 17:50 TomTom: “Queuing traffic”
16. Wed 18:16 TomTom: “Slow traffic”
17. Wed 18:21 TomTom no longer reports it
18. Wed 18:21 All clear: no source reports it any more

Source reports

• Slow traffic
• Queuing traffic

Other recent incidents on the M1

• M1 crash J42–J43 northboundyesterday 22:32 · cleared after 1 h 21 min
• M1 crash J43–J42 southboundyesterday 20:39 · cleared after 1 h 44 min
• M1 crash J9–J10 northboundyesterday 19:33 · cleared after 49 min
• M1 crash J17–J16 southboundyesterday 15:34 · cleared after 47 min
• M1 crash J34 northboundyesterday 15:09 · cleared after 42 min
• M1 crash J22–J23 northboundyesterday 14:46 · cleared after 47 min
• M1 crash J20–J21 northboundyesterday 12:30 · cleared after 2 h 51 min
• M1 crash J37–J36 southboundyesterday 08:35 · cleared after 44 min
• M1 stopped traffic J32–J33 northboundyesterday 07:33 · cleared after 1 h 16 min
• M1 crash J8–J9 northboundyesterday 06:00 · cleared after 3 h 31 min

Live traffic and past incidents at M1 J21A and M1 J21.

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