M25 crash J16–J17 clockwise
Live Still reported at 14:42 UK time, since 11:58 (2 h 44 min).
Crash on the M25 clockwise at J16–J17 on Sunday 4 October 2026, from 11:58. Still reported at 14:42 UK time. Timeline of reports from TomTom and the motorway signs.
M25 clockwise · J16–J17
Collision
since 11:58 (2 h 44 min) · delay ~20 min · queue 6.8 mi
TomTom ×3 · Motorway signs
See the M25 on the live map M25 traffic now
Timeline
- TomTom: queueing traffic, “Slow traffic”, delay ~4 min
- TomTom no longer reports it
- All clear: no source reports it any more
- TomTom: queueing traffic, “Slow traffic”, delay ~3 min (reported again)
- TomTom: “Queuing traffic”
- TomTom: “Slow traffic”
- Motorway signs: “COLLISION SLOW DOWN”
- TomTom: collision, “Stationary traffic, Accident”, delay ~10 min
- TomTom: delay now ~32 min (was ~11)
- TomTom: now says queueing traffic, “Stationary traffic”
- Motorway signs no longer show “COLLISION SLOW DOWN”
- TomTom: “Queuing traffic”
- TomTom: “Stationary traffic”
- TomTom: queueing traffic, “Stationary traffic”, delay ~19 min
What the sources said
- Slow traffic
- Stationary traffic
- Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M25 clockwise between J16 and J17).
Other recent incidents on the M25
- M25 crash J3–J2 anticlockwise
- M25 crash J4–J3 anticlockwise
- M25 crash J22–J21A anticlockwise
- M25 reported crash J20 clockwise
- M25 crash J6–J5 anticlockwise
- M25 crash J21A–J22 clockwise
- M25 reported crash J21A–J22 clockwise
- M25 crash J26–J25 anticlockwise
- M25 reported crash J4–J3 anticlockwise
- M25 crash J24–J25 clockwise
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.