M4 crash J10–J8 eastbound

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.

Status

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

Location

M4 eastbound · J10–J8

Reported as

Collision

Sources

Motorway signs · TomTom

Timeline

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

Source reports

• 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 Both directions08:08 · cleared after 1 h 5 min
• M4 stopped traffic J3 westbound06:48 · cleared after 3 h 3 min
• M4 crash J6 westboundyesterday 15:41 · cleared after 1 h 35 min
• M4 crash J10–J8 eastboundyesterday 07:50 · cleared after 2 h 6 min
• M4 stopped traffic J20–J21yesterday 07:29 · cleared after 1 h 23 min
• M4 stopped traffic J4–J3 eastboundyesterday 06:44 · cleared after 3 h 3 min
• M4 crash J18Tue 19:23 · cleared after 46 min
• M4 crash J5–J4B eastboundTue 18:15 · cleared after 57 min
• M4 closed J15–J16Tue 17:50 · cleared after 15 min
• M4 crash J19–J20 westboundTue 16:33 · cleared after 1 h 19 min

Live traffic and past incidents at M4 J10 and M4 J8.

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.