M4 crash J10–J8 eastbound

Crash on the M4 eastbound at J10–J8 on Wednesday 21 October 2026, from 13:16. Cleared at 13:53 after 36 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 13:53 on 21 Oct 2026, after 36 min

Location

M4 eastbound · J10–J8

Reported as

Collision

Sources

Motorway signs ×2 · TomTom

Timeline

1. 13:16 Motorway signs: “STRANDED VEHICLE-SLOW”
2. 13:16 Motorway signs: “STRANDED VEHICLE”
3. 13:43 TomTom: collision, “Queuing traffic, Incident”, delay ~7 min
4. 13:48 TomTom no longer reports it
5. 13:53 Motorway signs no longer show “STRANDED VEHICLE”
6. 13:53 Motorway signs no longer show “STRANDED VEHICLE-SLOW”
7. 13:53 All clear: no source reports it any more

Source reports

• Overhead signs read “STRANDED VEHICLE” (1 sign; furthest along: M4 eastbound between J10 and J8).
• Overhead signs read “STRANDED VEHICLE-SLOW” (1 sign; furthest along: M4 eastbound between J10 and J8).
• Queuing traffic, Incident

Other recent incidents on the M4

• M4 crash J1807:27 · cleared after 23 min
• M4 crash J19–J20 westbound06:54 · cleared after 2 h 33 min
• M4 closed J20–J21 westboundyesterday 21:17 · cleared after 7 h 26 min
• M4 crash J6–J5 eastboundyesterday 14:41 · cleared after 1 h 42 min
• M4 stopped traffic J13–J12 eastboundyesterday 12:38 · cleared after 1 h 49 min
• M4 stopped traffic J13–J12yesterday 12:04 · cleared after 28 min
• M4 crash J10 westboundyesterday 11:57 · cleared after 2 h 5 min
• M4 reported crash J13–J12 eastboundyesterday 11:48 · cleared after 58 min
• M4 reported crash J13–J12 eastboundyesterday 07:24 · cleared after 51 min
• M4 stopped traffic J20–J21yesterday 07:14 · cleared after 2 h 19 min

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