M4 reported crash J3 westbound

Cleared Cleared at 23:03 on 27 Sept 2026, after 1 h 44 min.

Reported crash on the M4 westbound at J3 on Sunday 27 September 2026, from 21:19. Cleared at 23:03 after 1 h 44 min. Timeline of reports from the motorway signs.

1. !

   M4 westbound · J3

   Collision

   21:19–23:03 (cleared after 1 h 44 min)

   Motorway signs

See the M4 on the live map M4 traffic now

Timeline

1. 21:19 Motorway signs: “REPORT OF COLLISION”
2. 23:03 Motorway signs no longer show “REPORT OF COLLISION”
3. 23:03 All clear: no source reports it any more

What the sources said

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

Other recent incidents on the M4

• M4 closed J15–J16 westbound · 20:01, still reported
• M4 closed J13–J14 westbound · 20:01, still reported
• M4 closed J12–J13 westbound · 20:01, still reported
• M4 closed J16–J17 westbound · 20:01, still reported
• M4 closed J20–J21 westbound · 19:52, still reported
• M4 crash J3 westbound · 00:02, cleared after 1 h 26 min
• M4 closed J16–J17 westbound · yesterday 23:28, cleared after 3 h 7 min
• M4 closed J17–J18 westbound · yesterday 23:28, cleared after 5 h 23 min
• M4 closed J20–J21 westbound · yesterday 22:43, cleared after 6 h 8 min
• M4 closed J16–J17 westbound · yesterday 22:18, cleared after 38 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.