M4 crash J3 westbound

Live Still reported at 01:04 UK time, since 00:02 (1 h 2 min).

Crash on the M4 westbound at J3 on Sunday 27 September 2026, from 00:02. Still reported at 01:04 UK time. Timeline of reports from the motorway signs.

1. !

   M4 westbound · J3

   Collision

   since 00:02 (1 h 2 min)

   Motorway signs ×2

See the M4 on the live map M4 traffic now

Timeline

1. 00:02 Motorway signs: “COLLISION”
2. 00:34 Motorway signs: “STRANDED VEHICLE”
3. 00:58 Motorway signs no longer show “COLLISION”

What the sources said

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

Other recent incidents on the M4

• M4 closed J16–J17 westbound · yesterday 23:28, still reported
• M4 closed J17–J18 westbound · yesterday 23:28, still reported
• M4 closed J20–J21 westbound · yesterday 22:43, still reported
• M4 closed J16–J17 westbound · yesterday 22:18, cleared after 38 min
• M4 closed J17–J18 westbound · yesterday 22:18, cleared after 38 min
• M4 closed J16–J17 westbound · yesterday 21:35, still reported
• M4 closed J19–J20 westbound · yesterday 21:35, still reported
• M4 closed J20–J21 westbound · yesterday 20:08, cleared after 2 h 17 min
• M4 crash J3–J2 westbound · yesterday 17:09, cleared after 42 min
• M4 crash J10–J8 eastbound · yesterday 12:42, cleared after 2 h 40 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.