M4 crash J12 eastbound

Cleared Cleared at 23:08 on 28 Sept 2026, after 37 min.

Crash on the M4 eastbound at J12 on Monday 28 September 2026, from 22:31. Cleared at 23:08 after 37 min. Timeline of reports from the motorway signs.

M4 eastbound · J12

Collision

22:31–23:08 (cleared after 37 min)

Motorway signs

See the M4 on the live map M4 traffic now

Timeline

22:31 Motorway signs: “M4 J12 COLLISION”
23:08 Motorway signs no longer show “M4 J12 COLLISION”
23:08 All clear: no source reports it any more

What the sources said

Overhead signs read “M4 J12 COLLISION” (1 sign; e.g. M4 eastbound between J13 and J12). Marker placed near M4 J12 using the signs there, so it is approximate.

Other recent incidents on the M4

M4 closed J19–J20 westbound · 22:41, still reported
M4 closed J19 westbound · 22:41, still reported
M4 closed J16–J17 westbound · 22:41, still reported
M4 closed J12–J13 westbound · 22:40, still reported
M4 closed J13–J14 westbound · 22:40, still reported
M4 closed J15–J16 westbound · 22:40, still reported
M4 crash J13–J12 eastbound · 21:22, still reported
M4 closed J20–J21 westbound · 20:56, still reported
M4 crash J10–J8 eastbound · 08:26, cleared after 1 h 10 min
M4 crash J8 eastbound · 08:26, cleared after 1 h 10 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.