M20 crash J4–J3 westbound

Cleared Cleared at 07:57 on 29 Sept 2026, after 1 h 32 min.

Crash on the M20 westbound at J4–J3 on Tuesday 29 September 2026, from 06:24. Cleared at 07:57 after 1 h 32 min. Timeline of reports from TomTom and the motorway signs.

1. !

   M20 westbound · J4–J3

   Collision

   06:24–07:57 (cleared after 1 h 32 min) · delay ~4 min · queue 5.1 mi

   TomTom · Motorway signs ×2

See the M20 on the live map M20 traffic now

Timeline

1. 06:24 Motorway signs: “REPORT OF COLLISION”
2. 06:34 TomTom: queueing traffic, “Stationary traffic”, delay ~16 min
3. 06:39 TomTom: delay now ~24 min (was ~16)
4. 06:41 Motorway signs: “COLLISION [HCA0]”
5. 06:48 TomTom: now says collision, “Stationary traffic, Accident”
6. 06:52 TomTom: now says queueing traffic, delay now ~51 min (was ~37), “Stationary traffic”
7. 06:57 TomTom: delay now ~74 min (was ~51)
8. 07:10 Motorway signs no longer show “REPORT OF COLLISION”
9. 07:11 TomTom: delay now ~23 min (was ~51)
10. 07:25 TomTom: “Queuing traffic”
11. 07:38 TomTom: delay now ~9 min (was ~14)
12. 07:40 Motorway signs no longer show “COLLISION [HCA0]”
13. 07:47 TomTom: “Slow traffic”
14. 07:57 TomTom no longer reports it
15. 07:57 All clear: no source reports it any more

What the sources said

• Slow traffic
• Overhead signs read “REPORT OF COLLISION” (2 signs; furthest along: M20 westbound between J4 and J3).
• Overhead signs read “COLLISION [HCA0]” (1 sign; furthest along: M20 westbound between J4 and J3).

Other recent incidents on the M20

• M20 reported crash J12–J13 eastbound · Sun 12:17, cleared after 44 min
• M20 crash J4–J3 westbound · Sat 18:29, cleared after 2 h 20 min
• M20 reported crash J7–J8 eastbound · Sat 10:16, cleared after 50 h 20 min
• M20 crash J4 westbound · Wed 10:11, cleared after 44 min
• M20 crash J8–J9 eastbound · 23 Sept 2026 06:24, cleared after 126 h 12 min
• M20 crash J6 eastbound · 23 Sept 2026 05:45, cleared after 12 h 36 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.