M4 reported crash J19–J20 westbound

Reported crash on the M4 westbound at J19–J20 on Thursday 12 November 2026, from 17:27. Still reported at 18:53 UK time. Timeline of reports from the motorway signs.

Status

Live since 17:27 (1 h 26 min)

Location

M4 westbound · J19–J20

Reported as

Collision

Sources

Motorway signs

Timeline

1. 17:27 Motorway signs: “REPORT OF COLLISION”

Source reports

• Overhead signs read “REPORT OF COLLISION” (7 signs; furthest along: M4 westbound between J19 and J20).

Other recent incidents on the M4

• M4 crash J18–J1917:45 · Live
• 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

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.