M1 crash J12 southbound

Crash on the M1 southbound at J12 on Monday 26 October 2026, from 14:19. Cleared at 15:33 after 1 h 14 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 15:33 on 26 Oct 2026, after 1 h 14 min

Location

M1 southbound · J12

Reported as

Broken-down vehicle

At its worst

Stationary traffic · delay ~59 min

Sources

TomTom · Motorway signs ×2

Timeline

1. Mon 14:19 TomTom: collision, “Stationary traffic, Incident”, delay ~32 min
2. Mon 14:24 TomTom: delay now ~46 min (was ~32)
3. Mon 14:24 Motorway signs: “STRANDED VEHICLE-SLOW”
4. Mon 14:47 TomTom no longer reports it
5. Mon 15:03 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
6. Mon 15:05 TomTom: queueing traffic, “Stationary traffic”, delay ~16 min (reported again)
7. Mon 15:10 TomTom: delay now ~11 min (was ~16), “Queuing traffic”
8. Mon 15:19 TomTom no longer reports it
9. Mon 15:33 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
10. Mon 15:33 All clear: no source reports it any more

Source reports

• Queuing traffic
• Overhead signs read “STRANDED VEHICLE-SLOW” (3 signs; furthest along: M1 J12 southbound exit).
• Overhead signs read “STRANDED VEHICLE-SLOW” (3 signs; furthest along: M1 southbound between J13 and J12).

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 J12.

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