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M3 J4 traffic

No incidents reported at M3 J4 right now.

Updated 03:26 UK time · at J4 and the stretches either side

View on the live map All M3 traffic

Right now

Nothing reported at M3 J4 at the moment.

Closures tonight

No closures planned at J4 tonight.

The last 90 days

Incidents

98

Collisions

10

Road closed

1time

Typical time to clear

45 minmedian of 80

Busiest time

11:00–12:00

Recent incidents

M3 crash J3–J2 eastboundSun 15:48 · cleared after 3 h 28 min
M3 crash J3 westbound27 Oct 2026 08:47 · cleared after 11 h 49 min
M3 crash J4–J3 eastbound22 Oct 2026 23:13 · cleared after 1 h 18 min
M3 crash J4–J3 eastbound22 Oct 2026 07:17 · cleared after 1 h 9 min
M3 crash J4A–J4 eastbound17 Oct 2026 14:51 · cleared after 39 min
M3 crash J4–J3 westbound16 Oct 2026 17:33 · cleared after 2 h 21 min
M3 reported crash J4–J4A westbound8 Oct 2026 08:54 · cleared after 32 h 45 min
M3 crash J3–J4 westbound7 Oct 2026 17:05 · cleared after 1 h 24 min
M3 crash J3–J4 westbound3 Oct 2026 18:43 · cleared after 120 h 43 min
M3 crash J4–J4A westbound27 Sept 2026 11:21 · cleared after 1 h 21 min
M3 crash J4–J4A westbound26 Sept 2026 19:49 · cleared after 422 h 45 min

Junctions either side

Every M3 junction

Common questions

Is the M3 closed at junction 4 right now?

No incidents have closed it right now.

Is M3 J4 closed tonight?

No closures are planned at J4 tonight.

How many crashes have there been at M3 J4?

10 collisions reported at or either side of J4 in the last 90 days, the latest on 1 Nov 2026 at 15:48.

Includes incidents at J4 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.