M4 crash J3–J2 westbound

Cleared Cleared at 17:51 on 26 Sept 2026, after 42 min.

Crash on the M4 westbound at J3–J2 on Saturday 26 September 2026, from 17:09. Cleared at 17:51 after 42 min. Timeline of reports from the motorway signs and TomTom.

1. !

   M4 westbound · J3–J2

   Collision

   17:09–17:51 (cleared after 42 min) · delay ~9 min · queue 2.5 mi

   Motorway signs · TomTom ×2

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Timeline

1. 17:09 Motorway signs: “INCIDENT [HCA2]”
2. 17:28 TomTom: collision, “Stationary traffic, Incident”, delay ~9 min
3. 17:32 TomTom: queueing traffic, “Slow traffic”, delay ~8 min
4. 17:37 TomTom: “Queuing traffic”
5. 17:46 TomTom: “Stationary traffic”
6. 17:48 Motorway signs no longer show “INCIDENT [HCA2]”
7. 17:51 TomTom no longer reports it
8. 17:51 All clear: no source reports it any more

What the sources said

• Overhead signs read “INCIDENT [HCA2]” (1 sign; furthest along: M4 westbound within J3).
• Stationary traffic, Incident
• Stationary traffic

Other recent incidents on the M4

• M4 crash J10–J8 eastbound · 12:42, cleared after 2 h 40 min
• M4 reported crash J17–J16 eastbound · 03:44, cleared after 1 h
• M4 reported crash J17 westbound · 03:44, cleared after 1 h
• M4 reported crash J18–J17 eastbound · yesterday 11:52, cleared after 49 min
• M4 closed J3–J2 · Thu 22:50, cleared after 5 h 43 min
• M4 closed J41 · Wed 02:48, cleared after 3 h 9 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.