M25 crash J27 clockwise
Cleared Cleared at 14:41 on 25 Sept 2026, after 47 h 58 min.
Crash on the M25 clockwise at J27 on Wednesday 23 September 2026, from 14:43. Cleared at 14:41 after 47 h 58 min. Timeline of reports from TomTom and the motorway signs.
M25 clockwise · J27
Collision
Wed 14:43–yesterday 14:41 (cleared after 47 h 58 min) · delay ~11 min · queue 7.6 mi
TomTom ×6 · Motorway signs ×2
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Timeline
- TomTom: collision, “Stationary traffic, Accident”, delay ~6 min
- TomTom: queueing traffic, “Slow traffic”, delay ~3 min
- TomTom: queueing traffic, “Slow traffic”, delay ~6 min
- Motorway signs: “COLLISION SLOW DOWN”
- TomTom: collision, “Accident, Lane closed”
- TomTom: collision, “Incident”
- TomTom: delay now ~26 min (was ~6)
- TomTom: now says queueing traffic, delay now ~60 min (was ~26), “Stationary traffic, Incident”
- Motorway signs no longer show “COLLISION SLOW DOWN”
- TomTom: delay now ~31 min (was ~60), “Stationary traffic”
- TomTom: “Queuing traffic”
- TomTom: delay now ~22 min (was ~16)
- Motorway signs: “REPORT OF OBSTRUCTION”
- TomTom: “Stationary traffic”
- TomTom: queueing traffic, “Queuing traffic”, delay ~8 min
- TomTom: delay now ~16 min (was ~27), “Queuing traffic”
- Motorway signs no longer show “REPORT OF OBSTRUCTION”
- TomTom: delay now ~11 min (was ~16), “Slow traffic”
- TomTom: “Slow traffic”
- TomTom no longer reports it
- All clear: no source reports it any more
- Motorway signs: “COLLISION SLOW DOWN” (reported again)
- Motorway signs no longer show “COLLISION SLOW DOWN”
- All clear: no source reports it any more
What the sources said
- Slow traffic
- Accident, Lane closed
- Overhead signs read “COLLISION SLOW DOWN” (3 signs; furthest along: M25 clockwise between J27 and J28).
- Incident
- Overhead signs read “REPORT OF OBSTRUCTION” (2 signs; furthest along: M25 anti-clockwise between J27 and J26).
Other recent incidents on the M25
- M25 reported crash J13–J12 anticlockwise
- M25 stopped traffic J17
- M25 crash J27–J28 clockwise
- M25 crash J3–J2 anticlockwise
- M25 crash J13–J12 anticlockwise
- M25 stopped traffic J17 anticlockwise
- M25 closed J24–J25 clockwise
- M25 reported crash J21A–J22 clockwise
- M25 crash J9–J8 anticlockwise
- M25 reported crash J8–J9 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.