M25 crash J16–J17 clockwise

Crash on the M25 clockwise at J16–J17 on Friday 23 October 2026, from 01:51. Cleared at 02:31 after 39 min. Timeline of reports from the motorway signs.

Status

Cleared 02:31 on 23 Oct 2026, after 39 min

Location

M25 clockwise · J16–J17

Reported as

Collision

Sources

Motorway signs

Timeline

1. 01:51 Motorway signs: “COLLISION SLOW DOWN”
2. 02:31 Motorway signs no longer show “COLLISION SLOW DOWN”
3. 02:31 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: M25 clockwise between J16 and J17).

Other recent incidents on the M25

• M25 delays J15–J1606:37 · Live
• M25 stopped traffic J25–J26 clockwise02:58 · Live
• M25 crash J8 anticlockwise02:16 · cleared after 1 h 15 min
• M25 reported crash J8–J7 anticlockwise01:50 · cleared after 40 min
• M25 crash J8–J9 clockwiseyesterday 22:11 · cleared after 1 h 49 min
• M25 crash J30–J29 anticlockwiseyesterday 19:55 · cleared after 1 h 4 min
• M25 crash J3yesterday 19:21 · cleared after 55 min
• M25 crash J8–J9 clockwiseyesterday 16:33 · cleared after 3 h 56 min
• M25 stopped traffic J6–J5 anticlockwiseyesterday 16:03 · cleared after 1 h 36 min
• M25 crash J13–J12 anticlockwiseyesterday 15:27 · cleared after 5 h 3 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.