M25 crash J27 anticlockwise

Crash on the M25 anticlockwise at J27 on Thursday 12 November 2026, from 06:29. Cleared at 13:52 after 7 h 23 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 13:52 on 12 Nov 2026, after 7 h 23 min

Location

M25 anticlockwise · J27

Reported as

Collision

At its worst

Stationary traffic · delay ~151 min

Sources

TomTom ×3 · Motorway signs ×5

Timeline

1. 06:29 TomTom: collision, “Stationary traffic, Accident”, delay ~13 min
2. 06:33 TomTom: delay now ~22 min (was ~13)
3. 06:38 TomTom: delay now ~34 min (was ~22)
4. 06:43 TomTom: delay now ~53 min (was ~34)
5. 06:56 TomTom: delay now ~115 min (was ~81)
6. 09:36 TomTom: now says queueing traffic, “Stationary traffic”
7. 09:59 TomTom: “Queuing traffic”
8. 10:54 TomTom: delay now ~35 min (was ~23), “Stationary traffic”
9. 11:03 TomTom: delay now ~43 min (was ~31)
10. 11:05 Motorway signs: “INCIDENT SLOW DOWN”
11. 11:13 Motorway signs: “INCIDENT SLOW DOWN”
12. 11:13 Motorway signs: “INCIDENT [HCA2]”
13. 11:49 Motorway signs: “COLLISION SLOW DOWN”
14. 11:52 Motorway signs no longer show “INCIDENT [HCA2]”
15. 11:52 Motorway signs no longer show “INCIDENT SLOW DOWN”
16. 12:10 Motorway signs: “REPORT OF COLLISION”
17. 12:11 TomTom: collision, “Stationary traffic, Accident”, delay ~17 min
18. 12:16 TomTom: now says queueing traffic, “Stationary traffic”
19. 12:22 Motorway signs no longer show “INCIDENT SLOW DOWN”
20. 12:34 TomTom: queueing traffic, “Stationary traffic”, delay ~29 min
21. 12:39 TomTom: delay now ~8 min (was ~29), “Queuing traffic”
22. 12:52 Motorway signs: “INCIDENT SLOW DOWN” (reported again)
23. 12:52 Motorway signs no longer show “REPORT OF COLLISION”
24. 12:52 Motorway signs no longer show “COLLISION SLOW DOWN”
25. 12:52 TomTom: “Stationary traffic”
26. 12:57 TomTom: “Queuing traffic”
27. 13:01 TomTom: “Stationary traffic”
28. 13:15 TomTom: “Queuing traffic”
29. 13:29 TomTom: delay now ~3 min (was ~10), “Slow traffic”
30. 13:34 TomTom no longer reports it
31. 13:52 Motorway signs no longer show “INCIDENT SLOW DOWN”
32. 13:52 All clear: no source reports it any more

Source reports

• Stationary traffic
• Overhead signs read “INCIDENT [HCA2]” (2 signs; furthest along: M25 clockwise between J26 and J27).
• Overhead signs read “INCIDENT SLOW DOWN” (13 signs; furthest along: M25 clockwise between J27 and J28).
• Overhead signs read “INCIDENT SLOW DOWN” (1 sign; furthest along: link road from M25 J27 anti-clockwise to M11 J6).
• Overhead signs read “REPORT OF COLLISION” (6 signs; furthest along: link road from M25 J27 anti-clockwise to M11 J6).
• Overhead signs read “COLLISION SLOW DOWN” (3 signs; furthest along: M25 anti-clockwise between J28 and J27).
• Slow traffic

Other recent incidents on the M25

• M25 closed J17–J16 anticlockwise10:16 · cleared after 44 min
• M25 crash J7 clockwise09:04 · cleared after 4 h 48 min
• M25 crash J7 anticlockwise08:41 · cleared after 5 h 11 min
• M25 stopped traffic J306:44 · cleared after 1 h 54 min
• M25 stopped traffic J12–J13 clockwise06:38 · cleared after 5 h 16 min
• M25 reported crash J5 clockwise06:32 · cleared after 33 min
• M25 stopped traffic J13–J12 anticlockwise04:24 · cleared after 7 h 48 min
• M25 closed J28–J2900:42 · cleared after 2 h 36 min
• M25 crash J26–J27 clockwiseyesterday 18:58 · cleared after 1 h 54 min
• M25 crash J5–J6 clockwiseyesterday 17:02 · cleared after 1 h 24 min

Live traffic and past incidents at M25 J27.

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