M25 stopped traffic J8–J9 clockwise

Cleared Cleared at 18:32 on 27 Sept 2026, after 100 h 6 min.

Stopped traffic on the M25 clockwise at J8–J9 on Wednesday 23 September 2026, from 14:26. Cleared at 18:32 after 100 h 6 min. Timeline of reports from the motorway signs and TomTom.

1. ?

   M25 clockwise · J8–J9

   Incident

   Wed 14:26–Sun 18:32 (cleared after 100 h 6 min) · delay ~10 min · queue 2.5 mi

   Motorway signs · TomTom

At its worst: stationary traffic · delay ~26 min

See the M25 on the live map M25 traffic now

Timeline

1. Wed 14:12 Motorway signs: “INCIDENT SLOW DOWN”
2. Wed 14:56 Motorway signs no longer show “INCIDENT SLOW DOWN”
3. Wed 14:56 All clear: no source reports it any more
4. Sun 17:01 Motorway signs: “INCIDENT SLOW DOWN” (reported again)
5. Sun 17:57 TomTom: queueing traffic, “Stationary traffic”, delay ~8 min
6. Sun 18:02 TomTom: now says collision, delay now ~13 min (was ~8), “Stationary traffic, Incident”
7. Sun 18:07 TomTom: now says queueing traffic, delay now ~23 min (was ~13), “Stationary traffic”
8. Sun 18:16 TomTom: delay now ~17 min (was ~26)
9. Sun 18:20 TomTom: delay now ~10 min (was ~17)
10. Sun 18:25 TomTom no longer reports it
11. Sun 18:32 Motorway signs no longer show “INCIDENT SLOW DOWN”
12. Sun 18:32 All clear: no source reports it any more

What the sources said

• Overhead signs read “INCIDENT SLOW DOWN” (2 signs; furthest along: M25 clockwise between J8 and J9).
• Stationary traffic

Other recent incidents on the M25

• M25 stopped traffic J2 · 06:51, cleared after 1 h 59 min
• M25 stopped traffic J10–J11 · 06:42, cleared after 3 h 49 min
• M25 delays J16 · 06:36, cleared after 7 h
• M25 stopped traffic J12–J13 clockwise · 06:20, cleared after 2 h 49 min
• M25 delays J5–J6 · 06:14, cleared after 2 h 8 min
• M25 closed J10–J9 · 00:48, cleared after 19 min
• M25 crash M25 northbound · yesterday 20:25, cleared after 2 h 40 min
• M25 stopped traffic J18–J19 · yesterday 15:53, cleared after 3 h 13 min
• M25 stopped traffic J2 · yesterday 15:45, cleared after 2 h 28 min
• M25 stopped traffic J16–J17 clockwise · yesterday 15:07, cleared after 3 h 5 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.