M4 stopped traffic J3 westbound

Stopped traffic on the M4 westbound at J3 on Thursday 12 November 2026, from 06:48. Cleared at 09:51 after 3 h 3 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 09:51 on 12 Nov 2026, after 3 h 3 min

Location

M4 westbound · J3

Reported as

Obstruction or hazard

At its worst

Stationary traffic · delay ~21 min

Sources

TomTom · Motorway signs

Timeline

1. 06:48 TomTom: queueing traffic, “Queuing traffic”, delay ~7 min
2. 07:02 TomTom: “Stationary traffic”
3. 07:24 TomTom: “Queuing traffic”
4. 07:29 TomTom: “Stationary traffic”
5. 07:34 TomTom: “Queuing traffic”
6. 07:38 TomTom: “Stationary traffic”
7. 07:43 TomTom: “Queuing traffic”
8. 07:47 TomTom: “Stationary traffic”
9. 08:51 Motorway signs: “REPORT OF DEBRIS”
10. 09:23 TomTom no longer reports it
11. 09:51 Motorway signs no longer show “REPORT OF DEBRIS”
12. 09:51 All clear: no source reports it any more

Source reports

• Stationary traffic
• Overhead signs read “REPORT OF DEBRIS” (1 sign; furthest along: M4 westbound within J3).

Other recent incidents on the M4

• M4 crash Both directions08:08 · cleared after 1 h 5 min
• M4 crash J6 westboundyesterday 15:41 · cleared after 1 h 35 min
• M4 crash J10–J8 eastboundyesterday 07:50 · cleared after 2 h 6 min
• M4 stopped traffic J20–J21yesterday 07:29 · cleared after 1 h 23 min
• M4 stopped traffic J4–J3 eastboundyesterday 06:44 · cleared after 3 h 3 min
• M4 crash J18Tue 19:23 · cleared after 46 min
• M4 crash J5–J4B eastboundTue 18:15 · cleared after 57 min
• M4 closed J15–J16Tue 17:50 · cleared after 15 min
• M4 crash J19–J20 westboundTue 16:33 · cleared after 1 h 19 min
• M4 reported crash J13–J12 eastboundTue 08:00 · cleared after 38 min

Live traffic and past incidents at M4 J3.

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