M25 crash J7 anticlockwise

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.

Status

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

Location

M25 anticlockwise · J7

Reported as

Collision

At its worst

Stationary traffic · delay ~26 min

Sources

TomTom ×6 · Motorway signs · 3 driver reports

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

Source reports

• 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 crash J10–J9 anticlockwise02:51 · cleared after 33 min
• M25 crash J27–J28 clockwise02:13 · cleared after 1 h 29 min
• M25 crash J15 anticlockwise00:20 · cleared after 25 min
• M25 crash J11–J10 anticlockwiseyesterday 22:19 · cleared after 52 min
• M25 reported crash J11 anticlockwiseyesterday 21:53 · cleared after 49 min
• M25 crash J16–J17 clockwiseyesterday 14:21 · cleared after 5 h 2 min
• M25 reported crash J11–J12 clockwiseyesterday 13:24 · cleared after 1 h 8 min
• M25 crash J27–J28 clockwiseyesterday 12:31 · cleared after 37 min
• M25 crash J13–J12 anticlockwiseyesterday 06:52 · cleared after 2 h 55 min
• M25 stopped traffic J30yesterday 06:49 · cleared after 2 h 8 min

Live traffic and past incidents at M25 J7.

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