M4 crash J11–J10 eastbound

Crash on the M4 eastbound at J11–J10 on Wednesday 11 November 2026, from 07:50. Still reported at 08:56 UK time. Timeline of reports from TomTom, the motorway signs and National Highways.

Status

Live since 07:50 (1 h 6 min)

Location

M4 eastbound · J11–J10

Reported as

Collision

Lanes

1 lane closed

Delay

~83 min

At its worst

Stationary traffic · delay ~94 min

Sources

TomTom ×3 · Motorway signs ×3 · National Highways ×3

Timeline

1. 07:50 Motorway signs: “COLLISION [HCA0]”
2. 07:53 TomTom: queueing traffic, “Stationary traffic”, delay ~9 min
3. 07:54 Motorway signs: “COLLISION”
4. 08:01 National Highways: 1 of 3 lanes closed
5. 08:02 TomTom: now says collision, “Stationary traffic, Accident”
6. 08:06 TomTom: delay now ~20 min (was ~15)
7. 08:07 National Highways: 1 of 4 lanes closed
8. 08:11 TomTom: delay now ~47 min (was ~20)
9. 08:11 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
10. 08:16 TomTom: delay now ~71 min (was ~47)
11. 08:25 TomTom: delay now ~88 min (was ~65)
12. 08:25 TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
13. 08:29 TomTom: “Queuing traffic”
14. 08:32 Motorway signs: “M4 J10-J8 LANE CLOSED DUE TO COLLISION”
15. 08:34 TomTom: “Stationary traffic”
16. 08:38 TomTom: delay now ~65 min (was ~94)
17. 08:38 TomTom: “Queuing traffic”
18. 08:43 TomTom: queueing traffic, “Slow traffic”, delay ~4 min

Source reports

• Stationary traffic, Accident
• Overhead signs read “COLLISION” (2 signs; furthest along: M4 eastbound between J10 and J8).
• Queuing traffic
• Overhead signs read “COLLISION [HCA0]” (1 sign; furthest along: M4 eastbound between J10 and J8).
• Overhead signs read “M4 J10-J8 LANE CLOSED DUE TO COLLISION” (1 sign; e.g. M4 eastbound between J12 and J11). Marker placed near M4 J10–J8 using the signs there, so it is approximate.
• M4 eastbound between J10 and J8
• M4 eastbound within J10 before A329(M) westbound access
• Slow traffic

Other recent incidents on the M4

• M4 stopped traffic J20–J2107:29 · cleared after 1 h 23 min
• M4 stopped traffic J4–J3 eastbound06:44 · Live
• M4 crash J18yesterday 19:23 · cleared after 46 min
• M4 crash J5–J4B eastboundyesterday 18:15 · cleared after 57 min
• M4 closed J15–J16yesterday 17:50 · cleared after 15 min
• M4 crash J19–J20 westboundyesterday 16:33 · cleared after 1 h 19 min
• M4 reported crash J13–J12 eastboundyesterday 08:00 · cleared after 38 min
• M4 crash Westboundyesterday 07:57 · cleared after 2 h 30 min
• M4 crash Eastboundyesterday 07:57 · cleared after 45 min
• M4 crash J35 eastboundyesterday 07:27 · cleared after 2 h 55 min

Live traffic and past incidents at M4 J11 and M4 J10.

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