M4 crash J4 eastbound

Crash on the M4 eastbound at J4 on Thursday 5 November 2026, from 17:39. Still reported at 19:08 UK time. Timeline of reports from the motorway signs and TomTom.

Status

Live since 17:39 (1 h 29 min)

Location

M4 eastbound · J4

Reported as

Collision

At its worst

Delay ~9 min

Sources

Motorway signs ×3 · TomTom

Timeline

1. 17:24 Motorway signs: “REPORT OF COLLISION”
2. 17:40 Motorway signs: “COLLISION”
3. 17:54 TomTom: queueing traffic, “Stationary traffic”, delay ~8 min
4. 18:03 TomTom: “Queuing traffic”
5. 18:09 Motorway signs no longer show “REPORT OF COLLISION”
6. 18:16 Motorway signs: “REPORT OF COLLISION”
7. 18:39 Motorway signs: “REPORT OF COLLISION” (reported again)
8. 18:39 Motorway signs no longer show “COLLISION”
9. 18:40 TomTom: “Slow traffic”
10. 18:44 TomTom no longer reports it

Source reports

• Overhead signs read “REPORT OF COLLISION” (3 signs; furthest along: M4 eastbound within J4).
• Slow traffic
• Overhead signs read “COLLISION” (1 sign; furthest along: M4 eastbound within J4).
• Overhead signs read “REPORT OF COLLISION” (5 signs; furthest along: M4 westbound between J4 and J4B).

Other recent incidents on the M4

• M4 crash Westbound18:51 · Live
• M4 crash J32 westbound18:36 · Live
• M4 crash J13–J1416:40 · cleared after 1 h 55 min
• M4 crash Westbound16:01 · Live
• M4 crash Westbound13:51 · cleared after 4 h 20 min
• M4 crash J8–J10 westbound11:52 · cleared after 1 h 58 min
• M4 crash J19–J20 westbound06:54 · cleared after 1 h 41 min
• M4 stopped traffic J3–J2 westbound04:54 · cleared after 4 h 27 min
• M4 stopped traffic J19yesterday 21:04 · cleared after 55 min
• M4 crash J13–J12 eastboundyesterday 08:39 · cleared after 52 min

Live traffic and past incidents at M4 J4.

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