M3 crash J4A–J4 eastbound

Crash on the M3 eastbound at J4A–J4 on Saturday 17 October 2026, from 14:51. Cleared at 15:30 after 39 min. Timeline of reports from the motorway signs.

Status

Cleared 15:30 on 17 Oct 2026, after 39 min

Location

M3 eastbound · J4A–J4

Reported as

Collision

Sources

Motorway signs

Timeline

1. 14:51 Motorway signs: “COLLISION [HCA0]”
2. 15:30 Motorway signs no longer show “COLLISION [HCA0]”
3. 15:30 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION [HCA0]” (2 signs; furthest along: M3 eastbound between J4A and J4).

Other recent incidents on the M3

• M3 crash J4–J3 westboundyesterday 17:33 · cleared after 2 h 21 min
• M3 crash J11 eastboundyesterday 09:08 · cleared after 3 h 28 min
• M3 crash J3–J2 eastboundyesterday 06:26 · cleared after 2 h 24 min
• M3 crash J3–J2 westboundThu 06:35 · cleared after 2 h 8 min
• M3 crash J14–J13 eastboundTue 17:06 · cleared after 1 h 33 min
• M3 stopped traffic J13–J12 eastboundTue 10:57 · cleared after 4 h 31 min
• M3 stopped traffic J12–J13Mon 06:54 · cleared after 8 h 40 min
• M3 stopped traffic9 Oct 2026 16:52 · cleared after 41 min
• M3 crash J3–J2 eastbound9 Oct 2026 14:04 · cleared after 2 h 25 min
• M3 reported crash J4–J4A westbound8 Oct 2026 08:54 · cleared after 32 h 45 min

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