M3 J4A traffic
No incidents reported at M3 J4A right now.
Updated 03:27 UK time · at J4A and the stretches either side
Right now
Nothing reported at M3 J4A at the moment.
Closures tonight
No closures planned at J4A tonight.
Planned closures: next 7 days
Sunday 8 November
- Westbound J4AEntry slip road closed
The last 90 days
Incidents
31
Collisions
5
Road closed
1time
Typical time to clear
39 minmedian of 23
Busiest time
11:00–12:00
Recent incidents
- M3 crash J4A–J4 eastbound
- M3 reported crash J4–J4A westbound
- M3 crash J4A eastbound
- M3 crash J4–J4A westbound
- M3 crash J4–J4A westbound
Junctions either side
Common questions
Is the M3 closed at junction 4A right now?
No incidents have closed it right now.
Is M3 J4A closed tonight?
No closures are planned at J4A tonight. 1 is planned over the next 7 days (listed above).
How many crashes have there been at M3 J4A?
5 collisions reported at or either side of J4A in the last 90 days, the latest on 17 Oct 2026 at 14:51.
Includes incidents at J4A and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.