M25 closed J21A–J22 anticlockwise

Road closure on the M25 anticlockwise at J21A–J22 on Friday 16 October 2026, from 02:24. Still reported at 04:14 UK time. Timeline of reports from TomTom and the motorway signs.

Status

Live since 02:24 (1 h 50 min)

Location

M25 anticlockwise · J21A–J22

Reported as

Road closed

Lanes

Road closed

At its worst

Delay ~4 min

Sources

TomTom ×4 · Motorway signs ×2

Timeline

1. 02:24 Motorway signs: “INCIDENT SLOW DOWN”
2. 02:33 TomTom: queueing traffic, “Slow traffic”, delay ~3 min
3. 02:38 TomTom no longer reports it
4. 02:38 All clear: no source reports it any more
5. 02:47 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
6. 02:51 TomTom no longer reports it
7. 02:56 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
8. 03:14 TomTom no longer reports it
9. 03:32 TomTom: road closed

Source reports

• Slow traffic
• Overhead signs read “INCIDENT SLOW DOWN” (7 signs; furthest along: M25 anti-clockwise between J22 and J21A).
• Overhead signs read “INCIDENT SLOW DOWN” (2 signs; furthest along: M25 clockwise between J21A and J22).
• Closed

Other recent incidents on the M25

• M25 stopped traffic J16–J15yesterday 22:48 · cleared after 56 min
• M25 stopped traffic J20–J19 anticlockwiseyesterday 15:48 · cleared after 2 h 52 min
• M25 stopped traffic J3–J2yesterday 14:05 · cleared after 4 h 27 min
• M25 crash J10–J9 anticlockwiseyesterday 11:36 · cleared after 9 h 11 min
• M25 delays J5–J6yesterday 06:15 · cleared after 3 h 22 min
• M25 crash J16 clockwiseWed 22:40 · cleared after 1 h 1 min
• M25 stopped traffic J8–J7Wed 16:58 · cleared after 2 h 17 min
• M25 stopped traffic J15–J16 clockwiseWed 14:27 · cleared after 5 h 2 min
• M25 stopped traffic J2Wed 06:51 · cleared after 1 h 59 min
• M25 stopped traffic J10–J11Wed 06:42 · cleared after 3 h 49 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.