M4 crash J13–J12 eastbound

Crash on the M4 eastbound at J13–J12 on Tuesday 27 October 2026, from 08:31. Cleared at 20:20 after 11 h 49 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 20:20 on 27 Oct 2026, after 11 h 49 min

Location

M4 eastbound · J13–J12

Reported as

Obstruction or hazard

Lanes

Road closed

At its worst

Stationary traffic · delay ~26 min

Sources

Motorway signs · TomTom ×2

Timeline

1. Tue 08:31 Motorway signs: “PEDESTRIANS IN ROAD-SLOW”
2. Tue 10:03 TomTom: collision, “Stationary traffic, Incident”, delay ~26 min
3. Tue 10:07 TomTom: road closed
4. Tue 10:26 TomTom no longer reports it
5. Tue 10:44 TomTom: queueing traffic, “Stationary traffic”, delay ~8 min (reported again)
6. Tue 10:49 TomTom no longer reports it
7. Tue 20:20 Motorway signs: National Highways' sign feed hasn't changed since 08:47, so this is no longer shown
8. Tue 20:20 All clear: no source reports it any more

Source reports

• Overhead signs read “PEDESTRIANS IN ROAD-SLOW” (3 signs; furthest along: M4 eastbound between J13 and J12).
• Stationary traffic
• Closed

Other recent incidents on the M4

• M4 crash J10–J8 eastboundyesterday 16:33 · cleared after 1 h 18 min
• M4 crash Eastboundyesterday 09:44 · cleared after 25 min
• M4 crash Westboundyesterday 08:29 · cleared after 40 min
• M4 crash Prince of Wales Bridge eastboundyesterday 08:13 · cleared after 22 min
• M4 stopped traffic J3–J2yesterday 06:48 · cleared after 2 h 13 min
• M4 crash J10–J11 westboundSun 05:12 · cleared after 1 h
• M4 crash J12–J11 eastboundSun 04:41 · cleared after 1 h 31 min
• M4 reported crash J17–J16 eastboundSat 17:47 · cleared after 37 min
• M4 reported crash J17 westboundSat 17:47 · cleared after 37 min
• M4 stopped traffic J3–J2Sat 09:48 · cleared after 25 min

Live traffic and past incidents at M4 J13 and M4 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.