M25 crash J7 anticlockwise

Cleared Cleared at 18:48 on 23 Sept 2026, after 2 h 43 min.

Crash on the M25 anticlockwise at J7 on Wednesday 23 September 2026, from 16:05. Cleared at 18:48 after 2 h 43 min. Timeline of reports from TomTom and the motorway signs.

1. !

   M25 anticlockwise · J7

   Collision

   Wed 16:05–Wed 18:48 (cleared after 2 h 43 min) · delay ~8 min · queue 4.7 mi

   TomTom ×6 · Motorway signs · 3 driver reports

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Timeline

1. Wed 16:05 TomTom: collision, “Stationary traffic, Accident”, delay ~11 min
2. Wed 16:05 TomTom: queueing traffic, “Queuing traffic”, delay ~8 min
3. Wed 16:05 TomTom: queueing traffic, “Queuing traffic”, delay ~6 min
4. Wed 16:08 Motorway signs: “COLLISION SLOW DOWN”
5. Wed 16:12 TomTom: collision, “Accident, Lane closed”
6. Wed 16:29 TomTom: delay now ~21 min (was ~11)
7. Wed 16:43 TomTom: collision, “Accident”, 1 driver report
8. Wed 16:43 TomTom: collision, “Accident”, 2 driver reports
9. Wed 16:43 TomTom: now says queueing traffic, “Stationary traffic”
10. Wed 16:56 Motorway signs no longer show “COLLISION SLOW DOWN”
11. Wed 17:11 TomTom: “Queuing traffic”
12. Wed 17:25 TomTom: delay now ~17 min (was ~26)
13. Wed 17:53 TomTom: “Stationary traffic”
14. Wed 18:07 TomTom: “Queuing traffic”
15. Wed 18:34 TomTom: delay now ~6 min (was ~12), “Slow traffic”
16. Wed 18:48 TomTom no longer reports it
17. Wed 18:48 All clear: no source reports it any more

What the sources said

• Slow traffic
• Accident, Lane closed
• Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M25 anti-clockwise between J7 and J6).
• Accident
• Queuing traffic

Other recent incidents on the M25

• M25 reported crash J13–J12 anticlockwise · 05:52, cleared after 53 min
• M25 stopped traffic J17 · yesterday 14:24, cleared after 1 h 19 min
• M25 crash J27–J28 clockwise · yesterday 14:07, cleared after 4 h 48 min
• M25 crash J3–J2 anticlockwise · yesterday 10:52, cleared after 8 h 16 min
• M25 crash J13–J12 anticlockwise · yesterday 10:17, cleared after 9 h 21 min
• M25 stopped traffic J17 anticlockwise · yesterday 09:42, cleared after 10 h 30 min
• M25 closed J24–J25 clockwise · Thu 21:50, cleared after 5 h 46 min
• M25 reported crash J21A–J22 clockwise · Thu 16:44, cleared after 52 min
• M25 crash J9–J8 anticlockwise · Thu 15:05, cleared after 1 h 23 min
• M25 reported crash J8–J9 clockwise · Thu 14:55, cleared after 41 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.