M4 crash J8 eastbound

Crash on the M4 eastbound at 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.

Status

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

Location

M4 eastbound · J8

Reported as

Collision

Sources

Motorway signs

Timeline

1. Mon 08:26 Motorway signs: “COLLISION [HCA0]”
2. Mon 09:35 Motorway signs no longer show “COLLISION [HCA0]”
3. Mon 09:35 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION [HCA0]” (1 sign; furthest along: M4 eastbound within J8).

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 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.