M4 crash J19–J20 westbound

Crash on the M4 westbound at J19–J20 on Thursday 5 November 2026, from 06:54. Cleared at 08:35 after 1 h 41 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 08:35 on 5 Nov 2026, after 1 h 41 min

Location

M4 westbound · J19–J20

Reported as

Collision

At its worst

Delay ~14 min

Sources

Motorway signs · TomTom

Timeline

1. 06:54 Motorway signs: “REPORT OF COLLISION”
2. 07:30 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
3. 07:34 TomTom: “Queuing traffic”
4. 07:37 Motorway signs no longer show “REPORT OF COLLISION”
5. 07:39 TomTom: “Slow traffic”
6. 07:53 TomTom: “Queuing traffic”
7. 08:20 TomTom: “Slow traffic”
8. 08:35 TomTom no longer reports it
9. 08:35 All clear: no source reports it any more

Source reports

• Overhead signs read “REPORT OF COLLISION” (1 sign; furthest along: M4 westbound between J19 and J20).
• Slow traffic

Other recent incidents on the M4

• M4 stopped traffic J3–J2 westbound04:54 · Live
• M4 stopped traffic J19yesterday 21:04 · cleared after 55 min
• M4 crash J13–J12 eastboundyesterday 08:39 · cleared after 52 min
• M4 crash Westboundyesterday 07:50 · cleared after 1 h 15 min
• M4 stopped traffic J3–J2yesterday 06:48 · cleared after 2 h 36 min
• M4 crash J3 westboundTue 18:44 · cleared after 51 min
• M4 crash J20–J19 eastboundTue 11:21 · cleared after 34 min
• M4 stopped traffic J3–J2Tue 06:50 · cleared after 2 h 13 min
• M4 crash J4B–J5 westboundTue 01:23 · cleared after 17 h 34 min
• M4 crash J10–J8 eastboundMon 16:33 · cleared after 1 h 18 min

Live traffic and past incidents at M4 J19 and M4 J20.

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