M4 crash J3 westbound

Crash on the M4 westbound at J3 on Tuesday 3 November 2026, from 18:44. Cleared at 19:35 after 51 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 19:35 on 3 Nov 2026, after 51 min

Location

M4 westbound · J3

Reported as

Collision

Sources

Motorway signs · TomTom

Timeline

1. 18:44 Motorway signs: “COLLISION”
2. 19:28 Motorway signs no longer show “COLLISION”
3. 19:28 All clear: no source reports it any more
4. 19:30 TomTom: queueing traffic, “Stationary traffic”, delay ~9 min
5. 19:35 TomTom no longer reports it

Source reports

• Overhead signs read “COLLISION” (1 sign; furthest along: M4 westbound within J3).
• Stationary traffic

Other recent incidents on the M4

• M4 crash J20–J19 eastbound11:21 · cleared after 34 min
• M4 stopped traffic J3–J206:50 · cleared after 2 h 13 min
• M4 crash J4B–J5 westbound01:23 · cleared after 17 h 34 min
• M4 crash J10–J8 eastboundyesterday 16:33 · cleared after 1 h 18 min
• M4 crash Eastboundyesterday 09:44 · cleared after 25 min
• M4 crash Westboundyesterday 08:29 · cleared after 40 min
• M4 crash Prince of Wales Bridge eastboundyesterday 08:13 · cleared after 22 min
• M4 stopped traffic J3–J2yesterday 06:48 · cleared after 2 h 13 min
• M4 crash J10–J11 westboundSun 05:12 · cleared after 1 h
• M4 crash J12–J11 eastboundSun 04:41 · cleared after 1 h 31 min

Live traffic and past incidents at M4 J3.

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