M25 crash J27 anticlockwise

Crash on the M25 anticlockwise at J27 on Saturday 17 October 2026, from 21:16. Cleared at 22:01 after 45 min. Timeline of reports from the motorway signs.

Status

Cleared 22:01 on 17 Oct 2026, after 45 min

Location

M25 anticlockwise · J27

Reported as

Collision

Sources

Motorway signs ×3

Timeline

1. 21:16 Motorway signs: “COLLISION [HCA0]”
2. 21:20 Motorway signs: “COLLISION”
3. 21:20 Motorway signs: “COLLISION SLOW DOWN”
4. 22:01 Motorway signs no longer show “COLLISION [HCA0]”
5. 22:01 Motorway signs no longer show “COLLISION”
6. 22:01 Motorway signs no longer show “COLLISION SLOW DOWN”
7. 22:01 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION [HCA0]” (1 sign; furthest along: M25 anti-clockwise within J27 after M11 J6 southbound access).
• Overhead signs read “COLLISION” (1 sign; furthest along: M25 anti-clockwise within J27 before M11 J6 southbound access).
• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: link road from M25 J27 anti-clockwise to M11 J6).

Other recent incidents on the M25

• M25 crash J27 anticlockwise21:59 · Live
• M25 stopped traffic J16–J15 anticlockwise20:34 · Live
• M25 crash J24–J25 clockwise18:01 · cleared after 1 h
• M25 stopped traffic J14–J1315:53 · cleared after 2 h 36 min
• M25 crash J27 anticlockwise15:09 · cleared after 50 min
• M25 crash J12–J11 anticlockwise14:43 · cleared after 46 min
• M25 reported crash J8–J9 clockwise09:47 · cleared after 40 min
• M25 crash J6–J7 clockwiseyesterday 20:45 · cleared after 3 h 40 min
• M25 crash J7 clockwiseyesterday 18:41 · cleared after 5 h 14 min
• M25 crash J21–J20 anticlockwiseyesterday 16:12 · cleared after 3 h 12 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.