M4 crash J10–J8 eastbound

Cleared Cleared at 09:35 on 28 Sept 2026, after 1 h 10 min.

Crash on the M4 eastbound at J10–J8 on Monday 28 September 2026, from 08:26. Cleared at 09:35 after 1 h 10 min. Timeline of reports from the motorway signs and TomTom.

1. !

   M4 eastbound · J10–J8

   Collision

   08:26–09:35 (cleared after 1 h 10 min) · delay ~3 min · queue 2.4 mi

   Motorway signs · TomTom

See the M4 on the live map M4 traffic now

Timeline

1. 08:26 Motorway signs: “COLLISION AHEAD”
2. 08:50 TomTom: queueing traffic, “Queuing traffic”, delay ~4 min
3. 08:54 TomTom: “Slow traffic”
4. 09:03 TomTom no longer reports it
5. 09:35 Motorway signs no longer show “COLLISION AHEAD”
6. 09:35 All clear: no source reports it any more

What the sources said

• Overhead signs read “COLLISION AHEAD” (1 sign; furthest along: M4 eastbound between J10 and J8).
• Slow traffic

Other recent incidents on the M4

• M4 crash J8 eastbound · 08:26, cleared after 1 h 10 min
• M4 reported crash J3 westbound · yesterday 21:19, cleared after 1 h 44 min
• M4 closed J15–J16 westbound · yesterday 20:01, cleared after 8 h 46 min
• M4 closed J13–J14 westbound · yesterday 20:01, cleared after 8 h 46 min
• M4 closed J12–J13 westbound · yesterday 20:01, cleared after 8 h 46 min
• M4 closed J16–J17 westbound · yesterday 20:01, cleared after 8 h 46 min
• M4 closed J20–J21 westbound · yesterday 19:52, cleared after 9 h 23 min
• M4 crash J3 westbound · yesterday 00:02, cleared after 1 h 26 min
• M4 closed J16–J17 westbound · Sat 23:28, cleared after 3 h 7 min
• M4 closed J17–J18 westbound · Sat 23:28, cleared after 5 h 23 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.