M25 crash J17–J18 clockwise
Crash on the M25 clockwise at J17–J18 on Wednesday 21 October 2026, from 09:43. Cleared at 11:17 after 1 h 34 min. Timeline of reports from TomTom and the motorway signs.
- Status
- Cleared 11:17 on 21 Oct 2026, after 1 h 34 min
- Location
- M25 clockwise · J17–J18
- Reported as
- Collision
- At its worst
- Stationary traffic · delay ~45 min
- Sources
- TomTom ×5 · Motorway signs
Timeline
- Motorway signs: “REPORT OF COLLISION”
- TomTom: queueing traffic, “Queuing traffic”, delay ~5 min
- TomTom no longer reports it
- TomTom: queueing traffic, “Stationary traffic”, delay ~9 min (reported again)
- TomTom: delay now ~18 min (was ~13)
- Motorway signs no longer show “REPORT OF COLLISION”
- TomTom: delay now ~45 min (was ~18)
- TomTom: queueing traffic, “Queuing traffic”, delay ~18 min
- TomTom: queueing traffic, “Slow traffic”, delay ~5 min
- TomTom: delay now ~23 min (was ~33)
- TomTom: delay now ~11 min (was ~23)
- TomTom: delay now ~6 min (was ~11), “Queuing traffic”
- TomTom: “Slow traffic”
- TomTom: delay now ~3 min (was ~9)
- TomTom: queueing traffic, “Slow traffic”, delay ~5 min
- TomTom: now says obstruction or hazard, “Heavy rain, Heavy traffic”
- TomTom: queueing traffic, “Slow traffic”, delay ~4 min
- TomTom no longer reports it
- All clear: no source reports it any more
Source reports
- Heavy rain, Heavy traffic
- Overhead signs read “REPORT OF COLLISION” (3 signs; furthest along: M25 clockwise between J17 and J18).
- Queuing traffic
- Slow traffic
Other recent incidents on the M25
- M25 stopped traffic J3–J2 anticlockwise
- M25 crash J25–J24 anticlockwise
- M25 reported crash J20 clockwise
- M25 crash J14–J15 clockwise
- M25 stopped traffic J3
- M25 delays J26 anticlockwise
- M25 stopped traffic J10–J11 clockwise
- M25 crash J7 clockwise
- M25 closed J28–J27
- M25 closed J26 anticlockwise
The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.