M3 J12 traffic

No incidents reported at M3 J12 right now.

Updated 03:27 UK time · at J12 and the stretches either side

Right now

Nothing reported at M3 J12 at the moment.

No closures planned at J12 tonight.

Incidents

Collisions

Road closed

2times

Typical time to clear

1 h 56 minmedian of 19

Busiest time

15:00–16:00

M3 crash J11–J12 westboundFri 14:22 · cleared after 3 h 49 min
M3 crash J11–J12Fri 10:23 · cleared after 2 h 41 min
M3 stopped traffic J11 westboundWed 15:42 · cleared after 3 h 1 min
M3 crash J14–J13 eastbound22 Oct 2026 15:31 · cleared after 4 h 21 min
M3 crash J11 eastbound16 Oct 2026 09:08 · cleared after 3 h 28 min
M3 stopped traffic J13–J12 eastbound13 Oct 2026 10:57 · cleared after 4 h 31 min
M3 closed J13–J144 Oct 2026 11:45 · cleared after 1 h 56 min
M3 crash J12–J13 westbound1 Oct 2026 16:21 · cleared after 197 h 49 min
M3 crash J11–J12 westbound29 Sept 2026 15:45 · cleared after 2 h 7 min

No incidents have closed it right now.

No closures are planned at J12 tonight.

5 collisions reported at or either side of J12 in the last 90 days, the latest on 30 Oct 2026 at 14:22.

Includes incidents at J12 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.