M25 crash J16 anticlockwise

Live Still reported at 09:27 UK time, since 06:37 (2 h 51 min).

Crash on the M25 anticlockwise at J16 on Thursday 1 October 2026, from 06:37. Still reported at 09:27 UK time. Timeline of reports from TomTom, the motorway signs and National Highways.

1. !

   M25 anticlockwise · J16

   Collision

   since 06:37 (2 h 51 min) · delay ~10 min · queue 6.4 mi

   TomTom ×5 · Motorway signs · National Highways

See the M25 on the live map M25 traffic now

Timeline

1. 06:37 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
2. 06:45 Motorway signs: “REPORT OF COLLISION”
3. 06:55 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
4. 07:09 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
5. 07:21 Motorway signs no longer show “REPORT OF COLLISION”
6. 07:58 National Highways: road closed
7. 08:04 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
8. 08:19 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
9. 09:07 National Highways: road reopened

What the sources said

• Slow traffic
• Overhead signs read “REPORT OF COLLISION” (8 signs; furthest along: M25 anti-clockwise within J16 after M40 J1A northbound exit).
• M25 anti-clockwise between J16 and J15

Other recent incidents on the M25

• M25 delays J26–J25 anticlockwise · 06:37, still reported
• M25 crash J17–J16 anticlockwise · 06:23, cleared after 2 h 19 min
• M25 stopped traffic J8–J9 · 05:42, cleared after 2 h 14 min
• M25 crash J17–J18 clockwise · 03:07, cleared after 2 h 44 min
• M25 crash J18–J17 anticlockwise · 03:02, cleared after 2 h 49 min
• M25 crash J18–J19 clockwise · yesterday 23:19, cleared after 1 h 31 min
• M25 crash J19–J18 anticlockwise · yesterday 16:04, cleared after 3 h 14 min
• M25 crash J24–J25 clockwise · yesterday 11:42, cleared after 6 h 36 min
• M25 delays J11–J12 clockwise · yesterday 06:45, cleared after 8 h 32 min
• M25 crash J14 clockwise · yesterday 05:45, cleared after 5 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.