M4 crash J11–J12 eastbound

Crash on the M4 eastbound at J11–J12 on Tuesday 27 October 2026, from 13:03. Cleared at 13:50 after 46 min. Timeline of reports from TomTom and National Highways.

Status

Cleared 13:50 on 27 Oct 2026, after 46 min

Location

M4 eastbound · J11–J12

Reported as

Collision

Lanes

3 of 4 lanes closed

At its worst

Stationary traffic · delay ~30 min

Sources

TomTom · National Highways

Timeline

1. Tue 13:03 National Highways: 3 of 4 lanes closed
2. Tue 13:20 TomTom: collision, “Stationary traffic, Accident”, delay ~24 min
3. Tue 13:38 TomTom: delay now ~15 min (was ~26)
4. Tue 13:43 TomTom no longer reports it
5. Tue 13:43 All clear: no source reports it any more
6. Tue 13:50 National Highways: lane closure lifted

Source reports

• Stationary traffic, Accident
• M4 eastbound between J12 and J11

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 J11 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.