M3 crash J4–J4A westbound

Cleared Cleared at 09:07 on 6 Oct 2026, after 229 h 18 min.

Crash on the M3 westbound at J4–J4A on Saturday 26 September 2026, from 19:49. Cleared at 09:07 after 229 h 18 min. Timeline of reports from the motorway signs and National Highways.

1. !

   M3 westbound · J4–J4A

   Collision

   1 of 4 lanes closed · Sat 19:49–09:07 (cleared after 229 h 18 min)

   Motorway signs ×2 · National Highways ×2

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Timeline

1. Sat 19:35 Motorway signs: “INCIDENT [HCA2]”
2. Sat 20:19 Motorway signs no longer show “INCIDENT [HCA2]”
3. Sat 20:19 All clear: no source reports it any more
4. Mon 20:38 Motorway signs: “INCIDENT [HCA2]” (reported again)
5. Mon 21:08 Motorway signs no longer show “INCIDENT [HCA2]”
6. Mon 21:08 All clear: no source reports it any more
7. Tue 12:41 Motorway signs: “INCIDENT [HCA2]” (reported again)
8. Tue 13:12 Motorway signs no longer show “INCIDENT [HCA2]”
9. Tue 13:12 All clear: no source reports it any more
10. Tue 21:13 Motorway signs: “INCIDENT [HCA2]” (reported again)
11. Tue 21:44 Motorway signs no longer show “INCIDENT [HCA2]”
12. Tue 21:44 All clear: no source reports it any more
13. 08:13 Motorway signs: “COLLISION”
14. 08:25 National Highways: 1 of 4 lanes closed
15. 08:28 Motorway signs: “INCIDENT [HCA2]” (reported again)
16. 08:58 Motorway signs no longer show “INCIDENT [HCA2]”
17. 08:58 Motorway signs no longer show “COLLISION”
18. 08:58 All clear: no source reports it any more
19. 09:07 National Highways: lane closure lifted

What the sources said

• Overhead signs read “INCIDENT [HCA2]” (8 signs; furthest along: M3 westbound between J4 and J4A).
• Overhead signs read “COLLISION” (2 signs; furthest along: M3 westbound between J4 and J4A).
• M3 westbound between J4 and J4A

Other recent incidents on the M3

• M3 closed J13–J14 · Sun 11:45, cleared after 1 h 56 min
• M3 crash J3–J4 westbound · Sat 18:43, cleared after 2 h 4 min
• M3 crash J4A eastbound · Sat 14:24, cleared after 46 min
• M3 reported crash J11 eastbound · Fri 15:06, cleared after 56 min
• M3 crash J3–J2 eastbound · Fri 11:00, cleared after 50 h 17 min
• M3 crash J12–J13 westbound · Thu 16:21, cleared after 25 h 19 min
• M3 crash J3–J2 westbound · Wed 17:47, cleared after 1 h 14 min
• M3 crash J2–J3 westbound · 30 Sept 2026 00:14, cleared after 150 h 13 min
• M3 crash J11–J12 westbound · 29 Sept 2026 15:45, cleared after 2 h 7 min
• M3 crash J4–J4A westbound · 27 Sept 2026 11:21, cleared after 1 h 21 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.