M4 crash J12–J11 eastbound

Crash on the M4 eastbound at J12–J11 on Sunday 1 November 2026, from 04:41. Cleared at 06:12 after 1 h 31 min. Timeline of reports from the motorway signs.

Status

Cleared 06:12 on 1 Nov 2026, after 1 h 31 min

Location

M4 eastbound · J12–J11

Reported as

Collision

Sources

Motorway signs

Timeline

1. Sun 04:41 Motorway signs: “COLLISION J11 ROUNDABOUT”
2. Sun 06:12 Motorway signs no longer show “COLLISION J11 ROUNDABOUT”
3. Sun 06:12 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION J11 ROUNDABOUT” (1 sign; furthest along: 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 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
• M4 crash J20–J21 westboundSat 08:53 · cleared after 44 min

Live traffic and past incidents at M4 J12 and M4 J11.

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