M23 crash J9–J8 northbound

Crash on the M23 northbound at J9–J8 on Wednesday 21 October 2026, from 07:24. Cleared at 08:50 after 1 h 26 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 08:50 on 21 Oct 2026, after 1 h 26 min

Location

M23 northbound · J9–J8

Reported as

Collision

At its worst

Delay ~17 min

Sources

TomTom · Motorway signs

Timeline

1. 07:23 TomTom: queueing traffic, “Stationary traffic”, delay ~9 min
2. 07:24 Motorway signs: “COLLISION”
3. 07:32 TomTom: delay now ~17 min (was ~7)
4. 08:13 TomTom: “Queuing traffic”
5. 08:21 Motorway signs no longer show “COLLISION”
6. 08:32 TomTom: “Slow traffic”
7. 08:36 TomTom: “Queuing traffic”
8. 08:41 TomTom no longer reports it
9. 08:41 All clear: no source reports it any more
10. 08:45 TomTom: queueing traffic, “Slow traffic”, delay ~4 min (reported again)
11. 08:50 TomTom no longer reports it

Source reports

• Slow traffic
• Overhead signs read “COLLISION” (1 sign; furthest along: M23 northbound between J9 and J8).

Other recent incidents on the M23

• M23 crash J9–J8 northboundSat 01:47 · cleared after 4 h 39 min
• M23 crash J9–J8 northboundSat 01:18 · cleared after 3 h 7 min
• M23 crash J9–J8 southboundFri 19:43 · cleared after 1 h 11 min
• M23 crash J9–J8 southbound15 Oct 2026 08:19 · cleared after 10 h 27 min
• M23 closed J9–J10 southbound15 Oct 2026 02:47 · cleared after 1 h 29 min
• M23 crash J10 northbound14 Oct 2026 18:12 · cleared after 1 h 57 min
• M23 closed J9–J10 southbound12 Oct 2026 22:58 · cleared after 3 h 51 min
• M23 crash J8–J9 southbound12 Oct 2026 19:33 · cleared after 51 min
• M23 crash J8–J9 southbound12 Oct 2026 17:27 · cleared after 57 min
• M23 crash J9–J8 southbound12 Oct 2026 16:22 · cleared after 42 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.