M25 J21A traffic

No incidents reported at M25 J21A right now.

Updated 03:29 UK time · at J21A and the stretches either side

Right now

Nothing reported at M25 J21A at the moment.

No closures planned at J21A tonight.

Incidents

Collisions

Road closed

2times

Typical time to clear

1 h 38 minmedian of 29

Busiest time

16:00–17:00

M25 crash J21A–J22 clockwiseyesterday 16:40 · cleared after 52 min
M25 crash J21–J20 anticlockwiseWed 16:40 · cleared after 4 h 54 min
M25 crash J25–J24 anticlockwise26 Oct 2026 13:56 · cleared after 5 h 38 min
M25 crash J24–J25 clockwise19 Oct 2026 15:14 · cleared after 3 h 56 min
M25 crash J21–J20 anticlockwise16 Oct 2026 16:12 · cleared after 3 h 12 min
M25 crash J24–J23 anticlockwise16 Oct 2026 12:17 · cleared after 3 h 4 min
M25 crash J22–J23 clockwise16 Oct 2026 02:24 · cleared after 4 h 56 min
M25 stopped traffic J20–J19 anticlockwise15 Oct 2026 15:48 · cleared after 2 h 52 min
M25 stopped traffic J23–J24 clockwise12 Oct 2026 07:38 · cleared after 2 h 14 min
M25 crash J22–J21A anticlockwise8 Oct 2026 22:22 · cleared after 2 h 6 min
M25 crash J22–J21A anticlockwise4 Oct 2026 02:23 · cleared after 2 h 51 min
M25 crash J21A–J22 clockwise2 Oct 2026 23:26 · cleared after 1 h 38 min
M25 reported crash J21A–J22 clockwise2 Oct 2026 23:15 · cleared after 50 min
M25 reported crash J21A–J22 clockwise24 Sept 2026 16:44 · cleared after 52 min

No incidents have closed it right now.

No closures are planned at J21A tonight.

10 collisions reported at or either side of J21A in the last 90 days, the latest on 28 Oct 2026 at 16:40.

Includes incidents at J21A and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.