M4 reported crash J19–J20 westbound

Cleared Cleared at 07:40 on 29 Sept 2026, after 43 min.

Reported crash on the M4 westbound at J19–J20 on Tuesday 29 September 2026, from 06:58. Cleared at 07:40 after 43 min. Timeline of reports from the motorway signs.

1. !

   M4 westbound · J19–J20

   Collision

   06:58–07:40 (cleared after 43 min)

   Motorway signs

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Timeline

1. 06:58 Motorway signs: “REPORT OF COLLISION”
2. 07:40 Motorway signs no longer show “REPORT OF COLLISION”
3. 07:40 All clear: no source reports it any more

What the sources said

• Overhead signs read “REPORT OF COLLISION” (5 signs; furthest along: M4 westbound between J19 and J20).

Other recent incidents on the M4

• M4 closed J19–J20 westbound · yesterday 22:41, cleared after 5 h 36 min
• M4 closed J19 westbound · yesterday 22:41, cleared after 54 min
• M4 closed J16–J17 westbound · yesterday 22:41, cleared after 5 h 36 min
• M4 closed J12–J13 westbound · yesterday 22:40, cleared after 5 h 36 min
• M4 closed J13–J14 westbound · yesterday 22:40, cleared after 5 h 36 min
• M4 closed J15–J16 westbound · yesterday 22:40, cleared after 5 h 37 min
• M4 crash J12 eastbound · yesterday 22:31, cleared after 37 min
• M4 crash J13–J12 eastbound · yesterday 21:22, cleared after 3 h 46 min
• M4 closed J20–J21 westbound · yesterday 20:56, cleared after 7 h 45 min
• M4 crash J10–J8 eastbound · yesterday 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.