M1 crash J11 southbound

Cleared Cleared at 06:34 on 23 Sept 2026, after 2 h 4 min.

Crash on the M1 southbound at J11 on Wednesday 23 September 2026, from 04:30. Cleared at 06:34 after 2 h 4 min. Timeline of reports from TomTom and the motorway signs.

1. !

   M1 southbound · J11

   Collision

   Wed 04:30–Wed 06:34 (cleared after 2 h 4 min) · delay ~5 min · queue 4.4 mi

   TomTom ×5 · Motorway signs

See the M1 on the live map M1 traffic now

Timeline

1. Wed 04:30 TomTom: queueing traffic, “Stationary traffic”, delay ~19 min
2. Wed 04:30 TomTom: queueing traffic, “Stationary traffic”, delay ~26 min
3. Wed 04:41 TomTom: collision, “Incident”
4. Wed 04:51 Motorway signs: “STRANDED VEHICLE-SLOW”
5. Wed 04:57 TomTom: delay now ~6 min (was ~19), “Queuing traffic”
6. Wed 04:58 TomTom: broken-down vehicle, “Broken down vehicle”
7. Wed 05:11 TomTom: delay now ~20 min (was ~6), “Stationary traffic”
8. Wed 05:24 TomTom: delay now ~26 min (was ~20)
9. Wed 05:38 TomTom: delay now ~76 min (was ~26)
10. Wed 05:54 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
11. Wed 06:00 TomTom: broken-down vehicle, “Broken down vehicle”
12. Wed 06:02 TomTom: now says broken-down vehicle, delay now ~11 min (was ~24), “traffic, Broken down vehicle”
13. Wed 06:06 TomTom: delay now ~5 min (was ~11), “Slow traffic, Broken down vehicle”
14. Wed 06:20 TomTom: queueing traffic, “Slow traffic”, delay ~5 min (reported again)
15. Wed 06:34 TomTom no longer reports it
16. Wed 06:34 All clear: no source reports it any more

What the sources said

• Slow traffic
• Incident
• Broken down vehicle
• Overhead signs read “STRANDED VEHICLE-SLOW” (4 signs; furthest along: M1 J11 southbound exit).
• Slow traffic, Broken down vehicle

Other recent incidents on the M1

• M1 crash J22–J21A southbound · 15:12, cleared after 1 h 6 min
• M1 reported crash J43–J42 southbound · 11:05, cleared after 41 min
• M1 crash J47 northbound · 03:39, cleared after 35 min
• M1 reported crash J8 northbound · 02:20, cleared after 54 min
• M1 closed J12–J13 · yesterday 22:23, cleared after 39 min
• M1 crash J22–J23 northbound · yesterday 14:19, cleared after 13 h 29 min
• M1 crash J29–J28 southbound · yesterday 08:33, cleared after 1 h 37 min
• M1 crash J8–J9 northbound · Thu 15:38, cleared after 5 h
• M1 crash J39 northbound · Wed 18:41, cleared after 1 h 46 min
• M1 reported crash J21A–J21 southbound · Wed 16:09, cleared after 47 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.