M4 crash J8–J10 westbound

Crash on the M4 westbound at J8–J10 on Monday 9 November 2026, from 18:25. Cleared at 19:12 after 46 min. Timeline of reports from the motorway signs, TomTom and National Highways.

Status

Cleared 19:12 on 9 Nov 2026, after 46 min

Location

M4 westbound · J8–J10

Reported as

Collision

Lanes

1 of 4 lanes closed

Sources

Motorway signs · TomTom · National Highways

Timeline

1. 18:25 Motorway signs: “COLLISION”
2. 18:26 National Highways: 1 of 4 lanes closed
3. 18:56 TomTom: queueing traffic, “Queuing traffic”, delay ~6 min
4. 19:01 TomTom no longer reports it
5. 19:04 Motorway signs no longer show “COLLISION”
6. 19:04 All clear: no source reports it any more
7. 19:12 National Highways: lane closure lifted

Source reports

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

Other recent incidents on the M4

• M4 crash J18 eastbound12:42 · cleared after 7 h 23 min
• M4 crash J25 westbound08:30 · cleared after 42 min
• M4 crash Eastbound05:51 · cleared after 16 min
• M4 crash Eastbound05:37 · cleared after 20 min
• M4 crash J4 westboundyesterday 22:30 · cleared after 4 h 38 min
• M4 crash J32 eastboundyesterday 20:37 · cleared after 4 h 15 min
• M4 reported crash J3–J2 eastboundyesterday 16:34 · cleared after 1 h 24 min
• M4 crash J3–J2 eastboundSat 02:33 · cleared after 45 min
• M4 closed J18–J17Fri 22:43 · cleared after 3 h 3 min
• M4 stopped traffic J18–J17Fri 21:39 · cleared after 23 min

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

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