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M4 J19 traffic

No incidents reported at M4 J19 right now.

Updated 03:27 UK time · at J19 and the stretches either side

View on the live map All M4 traffic

Right now

Nothing reported at M4 J19 at the moment.

Roadworks now

Eastbound J19until 06:00Exit slip road closed

Closures tonight

Eastbound J1920:41–06:00Exit slip road closed

The last 90 days

Incidents

45

Collisions

5

Road closed

14times

Typical time to clear

1 h 21 minmedian of 42

Busiest time

20:00–21:00

Recent incidents

M4 closed J19–J20 westbound27 Oct 2026 21:47 · cleared after 8 h 4 min
M4 closed J19–J20 westbound27 Oct 2026 08:46 · cleared after 12 h 48 min
M4 reported crash J19–J20 westbound24 Oct 2026 20:09 · cleared after 1 h 21 min
M4 closed J19–J20 westbound23 Oct 2026 14:24 · cleared after 5 h 22 min
M4 closed J20–J21 westbound23 Oct 2026 12:44 · cleared after 2 h 44 min
M4 crash J19–J20 westbound21 Oct 2026 06:54 · cleared after 2 h 33 min
M4 crash J18 eastbound19 Oct 2026 06:45 · cleared after 6 h 56 min
M4 closed J19 westbound12 Oct 2026 07:57 · cleared after 4 h 56 min
M4 closed J19–J20 westbound5 Oct 2026 20:25 · cleared after 7 h 41 min
M4 closed J19 westbound5 Oct 2026 20:22 · cleared after 7 h 44 min
M4 crash J18 eastbound5 Oct 2026 15:23 · cleared after 3 h 33 min
M4 closed J19–J20 westbound30 Sept 2026 21:49 · cleared after 8 h 40 min
M4 reported crash J19–J20 westbound29 Sept 2026 06:58 · cleared after 43 min
M4 closed J19–J20 westbound28 Sept 2026 22:41 · cleared after 5 h 36 min
M4 closed J19 westbound28 Sept 2026 22:41 · cleared after 54 min

Junctions either side

Every M4 junction

Common questions

Is the M4 closed at junction 19 right now?

No incidents have closed it right now.

Is M4 J19 closed tonight?

National Highways has 1 closure planned here tonight: eastbound J19 exit slip road closed 20:41–06:00.

How many crashes have there been at M4 J19?

5 collisions reported at or either side of J19 in the last 90 days, the latest on 24 Oct 2026 at 20:09.

Includes incidents at J19 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.