M25 crash J16 clockwise

Crash on the M25 clockwise at J16 on Monday 19 October 2026, from 06:54. Still reported at 08:50 UK time. Timeline of reports from TomTom and the motorway signs.

Status

Live since 06:54 (1 h 56 min)

Location

M25 clockwise · J16

Reported as

Collision

Delay

~26 min

At its worst

Stationary traffic

Sources

TomTom ×5 · Motorway signs

Timeline

1. 06:54 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
2. 07:25 TomTom: queueing traffic, “Slow traffic”, delay ~10 min
3. 07:27 Motorway signs: “COLLISION SLOW DOWN”
4. 07:43 TomTom: “Queuing traffic”
5. 07:53 TomTom: queueing traffic, “Queuing traffic”, delay ~17 min
6. 08:06 TomTom: queueing traffic, “Slow traffic”, delay ~15 min (reported again)
7. 08:16 TomTom: queueing traffic, “Queuing traffic”, delay ~6 min
8. 08:20 TomTom: “Stationary traffic”
9. 08:29 TomTom: delay now ~15 min (was ~10)
10. 08:38 TomTom: queueing traffic, “Queuing traffic”, delay ~16 min (reported again)
11. 08:39 Motorway signs no longer show “COLLISION SLOW DOWN”
12. 08:44 TomTom: queueing traffic, “Stationary traffic”, delay ~12 min
13. 08:48 TomTom: “Stationary traffic”
14. 08:48 TomTom: queueing traffic, “Stationary traffic”, delay ~15 min (reported again)

Source reports

• Slow traffic
• Stationary traffic
• Overhead signs read “COLLISION SLOW DOWN” (2 signs; furthest along: M25 clockwise within J16 after M40 J1A southbound exit).
• Queuing traffic

Other recent incidents on the M25

• M25 stopped traffic J6–J5 anticlockwise08:01 · Live
• M25 stopped traffic J20–J2107:08 · cleared after 1 h 31 min
• M25 crash J8–J9 clockwise06:20 · cleared after 2 h 20 min
• M25 crash J25 anticlockwiseyesterday 22:14 · cleared after 1 h 55 min
• M25 crash J24–J25 clockwiseyesterday 21:58 · cleared after 1 h 39 min
• M25 crash J8–J9 clockwiseyesterday 21:45 · cleared after 1 h 52 min
• M25 crash J25 clockwiseyesterday 20:24 · cleared after 43 min
• M25 stopped traffic J2yesterday 15:43 · cleared after 3 h 26 min
• M25 stopped traffic J10–J11 clockwiseyesterday 14:26 · cleared after 49 min
• M25 stopped traffic J16–J17yesterday 13:33 · cleared after 1 h 19 min

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.