M3 crash J11–J12 westbound

Crash on the M3 westbound at J11–J12 on Friday 30 October 2026, from 14:22. Cleared at 18:10 after 3 h 49 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 18:10 on 30 Oct 2026, after 3 h 49 min

Location

M3 westbound · J11–J12

Reported as

Collision

At its worst

Stationary traffic · delay ~101 min

Sources

Motorway signs · TomTom ×5

Timeline

1. Fri 14:22 Motorway signs: “REPORT OF COLLISION”
2. Fri 14:34 TomTom: queueing traffic, “Queuing traffic”, delay ~7 min
3. Fri 14:34 TomTom: queueing traffic, “Stationary traffic”, delay ~18 min
4. Fri 14:39 TomTom: delay now ~25 min (was ~18)
5. Fri 14:44 TomTom: “Stationary traffic”
6. Fri 14:49 TomTom: delay now ~43 min (was ~31)
7. Fri 15:02 Motorway signs no longer show “REPORT OF COLLISION”
8. Fri 15:04 TomTom: now says collision, “Stationary traffic, Accident”
9. Fri 16:35 TomTom: “Queuing traffic”
10. Fri 16:35 TomTom: now says queueing traffic, “Stationary traffic”
11. Fri 16:40 TomTom: “Slow traffic”
12. Fri 16:55 TomTom: delay now ~25 min (was ~37)
13. Fri 17:05 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
14. Fri 17:05 TomTom: “Queuing traffic”
15. Fri 17:10 TomTom: “Stationary traffic”
16. Fri 17:15 TomTom: queueing traffic, “Slow traffic, Lane closed”, delay ~5 min (reported again)
17. Fri 17:15 TomTom: “Queuing traffic”
18. Fri 17:40 TomTom: queueing traffic, “Slow traffic”, delay ~11 min
19. Fri 18:05 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
20. Fri 18:10 TomTom no longer reports it
21. Fri 18:10 All clear: no source reports it any more

Source reports

• Overhead signs read “REPORT OF COLLISION” (4 signs; furthest along: M3 westbound between J11 and J12).
• Slow traffic
• Queuing traffic
• Slow traffic, Lane closed

Other recent incidents on the M3

• M3 crash J3–J2 eastboundSun 15:48 · cleared after 3 h 28 min
• M3 stopped traffic J2–J3 westboundSat 09:57 · cleared after 46 min
• M3 crash J11–J12Fri 10:23 · cleared after 2 h 41 min
• M3 crash J1–J2 westboundThu 12:24 · cleared after 2 h 32 min
• M3 stopped traffic J11 westboundWed 15:42 · cleared after 3 h 1 min
• M3 crash J3 westbound27 Oct 2026 08:47 · cleared after 11 h 49 min
• M3 crash J3–J2 eastbound26 Oct 2026 19:23 · cleared after 24 h 57 min
• M3 crash J1126 Oct 2026 10:03 · cleared after 2 h 22 min
• M3 reported crash J3 eastbound23 Oct 2026 08:47 · cleared after 46 min
• M3 crash J4–J3 eastbound22 Oct 2026 23:13 · cleared after 1 h 18 min

Live traffic and past incidents at M3 J11 and M3 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.