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M4 J3 traffic

No incidents reported at M4 J3 right now.

Updated 03:26 UK time · at J3 and the stretches either side

View on the live map All M4 traffic

Right now

Nothing reported at M4 J3 at the moment.

Closures tonight

No closures planned at J3 tonight.

Planned closures: next 7 days

Monday 9 November

Eastbound J3–J122:00–05:30Closed

The last 90 days

Incidents

61

Collisions

7

Road closed

1time

Typical time to clear

51 minmedian of 55

Busiest time

14:00–15:00

Recent incidents

M4 crash J4 eastbound15 Oct 2026 07:16 · cleared after 57 min
M4 reported crash J3 westbound15 Oct 2026 06:02 · cleared after 1 h 40 min
M4 stopped traffic J4–J4B westbound14 Oct 2026 06:51 · cleared after 2 h 54 min
M4 crash J3 eastbound12 Oct 2026 18:51 · cleared after 1 h 2 min
M4 crash J3–J2 eastbound10 Oct 2026 09:28 · cleared after 45 min
M4 reported crash J3 westbound27 Sept 2026 21:19 · cleared after 1 h 44 min
M4 crash J3 westbound27 Sept 2026 00:02 · cleared after 295 h 35 min
M4 crash J3–J2 westbound26 Sept 2026 17:09 · cleared after 42 min
M4 stopped traffic J4 eastbound25 Sept 2026 14:41 · cleared after 426 h 47 min
M4 closed J3–J224 Sept 2026 22:50 · cleared after 5 h 43 min

Junctions either side

Every M4 junction

Common questions

Is the M4 closed at junction 3 right now?

No incidents have closed it right now.

Is M4 J3 closed tonight?

No closures are planned at J3 tonight. 1 is planned over the next 7 days (listed above).

How many crashes have there been at M4 J3?

7 collisions reported at or either side of J3 in the last 90 days, the latest on 15 Oct 2026 at 07:16.

Includes incidents at J3 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.