M23 stopped traffic J9–J8 northbound

Cleared Cleared at 16:46 on 28 Sept 2026, after 1 h 40 min.

Stopped traffic on the M23 northbound at J9–J8 on Monday 28 September 2026, from 15:06. Cleared at 16:46 after 1 h 40 min. Timeline of reports from TomTom, the motorway signs and National Highways.

1. ✕

   M23 northbound · J9–J8

   Lane closure

   2 of 4 lanes closed · Mon 15:06–Mon 16:46 (cleared after 1 h 40 min) · delay ~4 min · queue 2.7 mi

   TomTom · Motorway signs ×2 · National Highways ×2

At its worst: stationary traffic · delay ~55 min

See the M23 on the live map M23 traffic now

Timeline

1. Mon 15:06 Motorway signs: “INCIDENT [HCA2]”
2. Mon 15:13 Motorway signs: “INCIDENT”
3. Mon 15:15 National Highways: 1 of 4 lanes closed
4. Mon 15:15 National Highways: 2 of 4 lanes closed
5. Mon 15:28 TomTom: queueing traffic, “Stationary traffic”, delay ~10 min
6. Mon 15:32 TomTom: now says collision, delay now ~32 min (was ~10), “Stationary traffic, Incident”
7. Mon 15:37 TomTom: delay now ~55 min (was ~32)
8. Mon 15:41 TomTom: delay now ~17 min (was ~55)
9. Mon 15:46 TomTom: delay now ~25 min (was ~17)
10. Mon 15:51 TomTom: delay now ~15 min (was ~25)
11. Mon 15:55 TomTom: delay now ~9 min (was ~15), “Queuing traffic, Incident”
12. Mon 16:04 National Highways: lane closure lifted
13. Mon 16:07 Motorway signs no longer show “INCIDENT [HCA2]”
14. Mon 16:07 Motorway signs no longer show “INCIDENT”
15. Mon 16:14 TomTom: now says queueing traffic, “Queuing traffic”
16. Mon 16:18 TomTom: delay now ~14 min (was ~9), “Stationary traffic”
17. Mon 16:23 TomTom: delay now ~22 min (was ~14)
18. Mon 16:36 TomTom: delay now ~11 min (was ~17), “Queuing traffic”
19. Mon 16:41 TomTom: delay now ~4 min (was ~11), “Slow traffic”
20. Mon 16:46 TomTom no longer reports it
21. Mon 16:46 All clear: no source reports it any more

What the sources said

• Slow traffic
• Overhead signs read “INCIDENT [HCA2]” (1 sign; furthest along: M23 northbound within J8).
• Overhead signs read “INCIDENT” (1 sign; furthest along: M23 northbound between J9 and J8).
• M23 northbound between J9 and J8

Other recent incidents on the M23

• M23 closed J9–J10 southbound · Mon 22:58, cleared after 3 h 51 min
• M23 crash J8–J9 southbound · Mon 19:33, cleared after 51 min
• M23 crash J8–J9 southbound · Mon 17:27, cleared after 57 min
• M23 crash J9–J8 southbound · Mon 16:22, cleared after 42 min
• M23 crash J8–J9 southbound · 1 Oct 2026 14:31, cleared after 1 h 23 min
• M23 crash J9–J8 southbound · 27 Sept 2026 13:05, cleared after 55 min
• M23 reported crash J8 northbound · 24 Sept 2026 11:44, cleared after 1 h 51 min
• M23 crash J10–J9 northbound · 23 Sept 2026 13:45, cleared after 41 min
• M23 crash J9–J8 northbound · 23 Sept 2026 00:22, cleared after 486 h 4 min
• M23 closed J7 · 22 Sept 2026 22:53, cleared after 2 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.