M4 crash J20–J19 eastbound

Crash on the M4 eastbound at J20–J19 on Tuesday 3 November 2026, from 11:21. Cleared at 11:56 after 34 min. Timeline of reports from the motorway signs.

Status

Cleared 11:56 on 3 Nov 2026, after 34 min

Location

M4 eastbound · J20–J19

Reported as

Collision

Sources

Motorway signs

Timeline

1. 11:21 Motorway signs: “COLLISION ON SLIP ROAD[HCA0]”
2. 11:56 Motorway signs no longer show “COLLISION ON SLIP ROAD[HCA0]”
3. 11:56 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION ON SLIP ROAD[HCA0]” (1 sign; furthest along: M4 eastbound between J20 and J19).

Other recent incidents on the M4

• M4 stopped traffic J3–J206:50 · cleared after 2 h 13 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
• M4 reported crash J17–J16 eastboundSat 17:47 · cleared after 37 min
• M4 reported crash J17 westboundSat 17:47 · cleared after 37 min

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

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