M4 J40 traffic
No incidents reported at M4 J40 right now.
Updated 03:27 UK time · at J40 and the stretches either side
Right now
Nothing reported at M4 J40 at the moment.
Closures tonight
No closures planned at J40 tonight.
The last 90 days
No incidents recorded at M4 J40 in the last 90 days.
Junctions either side
Common questions
Is the M4 closed at junction 40 right now?
No incidents have closed it right now.
Is M4 J40 closed tonight?
No closures are planned at J40 tonight.
How many crashes have there been at M4 J40?
None reported at or either side of J40 in the last 90 days.
Includes incidents at J40 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.