M621 J4 traffic
No incidents reported at M621 J4 right now.
Updated 03:26 UK time · at J4 and the stretches either side
Right now
Nothing reported at M621 J4 at the moment.
Closures tonight
No closures planned at J4 tonight.
The last 90 days
Incidents
8
Collisions
2
Road closed
1time
Typical time to clear
55 minmedian of 7
Busiest time
07:00–08:00
Recent incidents
Junctions either side
Common questions
Is the M621 closed at junction 4 right now?
No incidents have closed it right now.
Is M621 J4 closed tonight?
No closures are planned at J4 tonight.
How many crashes have there been at M621 J4?
2 collisions reported at or either side of J4 in the last 90 days, the latest on 14 Oct 2026 at 06:49.
Includes incidents at J4 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.